Inferno (1980) Timeline Explained – Every Event in Order

Rose contacts her brother Mark because she believes she lives in one of the cursed buildings described in The Three Mothers. After discovering the ancient tome and learning about the three malevolent sisters who rule the world with despair, sorrow, and darkness, Rose becomes convinced her New York apartment building is one of the locations built for these witches. She reaches out to Mark urging him to visit, fearing she is in danger.

Foreshadowing: The book's description of the cursed buildings in Rome, Freiburg, and New York directly connects to Rose's apartment building where the horror unfolds.

• the three mothers book
• rose elliot
• cursed buildings
• ancient tome

The Three Mothers is an ancient tome written by architect Varelli that reveals the existence of three malevolent witch sisters who rule the world with despair, sorrow, and darkness. The book describes the three unique residences Varelli built for each sister, located in Rome, Freiburg, and New York. This occult text serves as the key that unlocks the film's central mystery and draws Rose into the dangerous supernatural events.

• the three mothers
• ancient tome
• vararelli
• occult book
• witch sisters

Mater Tenebrarum is one of the Three Mothers, representing darkness itself. She is depicted as a terrifying, vengeful entity who dwells within the waterlogged ballroom beneath Rose's apartment building. Her portrait hangs in that underground chamber, and she manifests as a nightmarish entity when confronted in the climax. She embodies pure terror and is the most dangerous of the three sisters.

Foreshadowing: Rose discovers Mater Tenebrarum's portrait in the waterlogged cellar before encountering the actual entity.

• mater tenebrarum
• the three mothers
• darkness witch
• supernatural entity

Rose disappears after discovering the hidden waterlogged ballroom beneath her apartment building. While exploring the cellar, she encounters a portrait of Mater Tenebrarum and is attacked by a decaying corpse that emerges from the water. She manages to flee, but by the time Mark arrives in New York, she has vanished. The full details of her fate remain ambiguous, though the building is revealed to be a cursed location housing one of the Three Mothers.

Foreshadowing: The ominous signs of struggle and bloodstains Mark discovers in Rose's apartment hint at her dire fate.

• rose elliot disappearance
• missing character
• rose's fate

Varelli targets Mark because Mark is investigating the secrets of The Three Mothers and getting dangerously close to uncovering the truth. After Rose's disappearance, Mark systematically pieces together clues from her letter, consulting Kazanian the antique dealer and searching the building itself. His investigation leads him to discover the hidden passageways beneath the building and ultimately confront Varelli's true identity. Varelli attempts to silence Mark permanently with a lethal injection to prevent him from exposing the occult conspiracy.

Foreshadowing: Varelli's identity as the architect who built the cursed residences connects his centuries-old work to the present-day threat.

• mark elliot
• vararelli
• professor arnold
• targeted
• conspiracy

All three buildings were designed and constructed by architect Varelli specifically to serve as residences for the Three Mothers - the three malevolent witch sisters. Each building houses one of the sisters: Rome holds the mother of despair, Freiburg houses the mother of sorrow, and New York contains Mater Tenebrarum, the mother of darkness. These cursed buildings form a network of supernatural evil spanning across Europe and America.

Foreshadowing: The Three Mothers book explicitly describes these three residences as the centers of the witches' power.

• cursed buildings
• rome
• freiburg
• new york
• vararelli architect
• three mothers

Sara dies after encountering a terrifying creature while researching The Three Mothers at a library. After finding Mark's abandoned letter describing Rose's discovery, Sara rushes to find a copy of the ancient tome. However, when she begins reading it, she is attacked by a ghastly creature that recognizes the book's power. In a desperate escape, she discards the book but is killed alongside her neighbor Carlo, adding to the body count connected to the occult mystery.

Foreshadowing: The creature's awareness of the book's significance demonstrates the dangerous knowledge contained within The Three Mothers.

• sara death
• library scene
• creature attack
• the three mothers

Kazanian, the antique dealer who sold Rose The Three Mothers book, meets a gruesome death. After Mark consults him seeking answers about the book and the cursed building, Kazanian becomes ensnared in the horror. He faces a chaotic and terrifying end at the hands of rats, his fate directly tied to the supernatural evil that Rose inadvertently unleashed by acquiring the ancient tome.

Foreshadowing: Kazanian's role as the seller of the cursed book connects him to the chain of events leading to the building's terror.

• kazanian death
• antique dealer
• rat attack
• the three mothers seller

Varelli is revealed to be Professor Arnold, one of the residents in Rose's building. He is the architect who built the three cursed buildings housing the Three Mothers centuries ago. Varelli acts as a harbinger of doom, maintaining the buildings and serving the supernatural forces within them. When Mark uncovers the hidden passageways beneath the building, Professor Arnold confronts him and attempts to kill him with a lethal injection to prevent the secret from being exposed.

Foreshadowing: The eccentric Countess Elise's information about Rose's peculiar behavior and the ominous signs throughout the building hint at a deeper conspiracy.

• varelli identity
• professor arnold
• architect
• hidden identity
• vararelli reveal

The ending of Inferno leaves the outcome ambiguous and bleak. Mark narrowly escapes the inferno consuming the building as Mater Tenebrarum, the vengeful witch of darkness, emerges in her full terror. While Mark survives the immediate confrontation, the film suggests the evil remains unchecked - the other two Mother witches in Rome and Freiburg are still active, and the threat of the supernatural forces is far from over. The sense of inescapable doom pervades the conclusion.

Foreshadowing: The climactic fire and Mater Tenebrarum's appearance represent the fulfillment of the book's warning about unleashing inferno.

• inferno ending
• ambiguous conclusion
• mater tenebrarum escape
• sequel threat

Countess Elise is one of the residents in Rose's building who provides Mark with crucial information about his sister's behavior before her disappearance. She tells Mark about Rose's peculiar actions leading up to her vanishing, helping to piece together the timeline of events. Her presence in the building and knowledge of the supernatural occurrences make her a key source of information, though she herself becomes a victim of the building's horror.

Foreshadowing: The Countess's awareness of Rose's activities suggests she may have known more about the building's cursed nature.

• countess elise
• rose building resident
• information source
• daria nicolodi

Mark finds the hidden passageways beneath Rose's apartment building by using a crucial clue from his sister's letter. The letter contains information that leads him to discover secret passages built into the floors of the building. These passageways connect to the underground lair where Mater Tenebrarum dwells, including the waterlogged ballroom Rose had previously discovered. This revelation brings Mark face-to-face with the true horror lurking beneath the building.

Foreshadowing: Rose's earlier exploration of the cellar and her discovery of the hidden hole leading to the waterlogged ballroom plant the seeds for this revelation.

• hidden passageways
• rose's letter
• building secrets
• underground lair