Luca (2019) Timeline Explained – Every Event in Order

Luca developed necrophobia (extreme fear of death) as a result of his mother's passing. The trauma of losing her stayed with him throughout his life, and he used his art as a coping mechanism to distract himself from thoughts of mortality. This fear becomes a central emotional struggle that affects his relationship with Niharika.

Foreshadowing: Luca's intense reaction to discussions about death hints at deeper personal trauma from the beginning.

• necrophobia
• fear of death
• mother's death
• trauma

Niharika was abused in her childhood by a close relative, leaving her with lasting emotional scars that made it difficult for her to trust and love. This trauma shaped her character and explains her initial resistance to forming deep connections with Luca. The diary reveals this painful backstory to Akbar during the investigation.

• childhood abuse
• trauma
• past
• trust issues

Officer Akbar is investigating what initially appears to be Niharika's suicide. During the investigation, he discovers her diary which reveals the story of her relationship with Luca. As he reads through the diary, he becomes personally affected by their love story while trying to understand the truth behind their deaths.

Foreshadowing: The film opens with an unexpected event that kickstarts the police investigation, setting the mystery in motion.

• akbar
• police investigation
• diary
• suicide case

Niharika decides to end her life after learning that Luca has been diagnosed with stage four cancer and has only weeks to live. Unable to face a future without him and believing she cannot exist in a world without Luca, she chooses to take her own life first. Her suicide is portrayed as an act of love rather than despair.

Foreshadowing: The couple's decision to move to Bangalore two weeks before Luca's death hints at the approaching tragedy.

• suicide
• cancer
• love
• death
• decision

Niharika, who studied industrial chemistry, engineered a poison and impregnated it into the pages of her diary. She couriered the diary to Luca a week before her death, knowing he had always wanted to read it. When Luca handle and read the diary as she had imagined, the poison was absorbed through his skin, causing a peaceful, painless death.

Foreshadowing: The diary's careful preparation and its delivery a week before Luca's death suggests Niharika had planned every detail.

• poison
• chemistry
• diary
• suicide method
• absorption

Niharika kills Luca because she cannot bear to live without him after his terminal cancer diagnosis. Rather than let him suffer through illness and face death alone, she chooses to end both their lives together. She believes this way Luca will die peacefully without experiencing the pain and cruelties of the world. Her act is presented as an extreme expression of love and mercy.

Foreshadowing: Niharika's willingness to do anything to protect Luca from his panic attacks foreshadows her extreme final act.

• mercy killing
• euthanasia
• love
• poison
• peaceful death

Fathima is Akbar's wife who is in the process of divorcing him. During the investigation, Akbar shares the Luca-Niharika story with her. Fathima's perspective shifts the case's moral interpretation, she argues that Niharika wanted Luca's death to be painless and free of suffering. At the end, Fathima tears a photo of Akbar's ex-lover, signaling his readiness to move on from past relationships.

Foreshadowing: Akbar's own broken heart from a prior relationship parallels the tragic love story he is investigating.

• fathima
• akbar
• divorce
• perspective
• moving on

Luca reads the diary Niharika had couriered to him, just as she had envisioned. He dies peacefully and without pain from the poisoned diary pages. Meanwhile, Luca's friends return to his home with the key he had given them long ago, closing the circle on his life. The ending is bittersweet, Luca achieves a painless death, but this 'happy' outcome comes through Niharika's morally ambiguous sacrifice.

• ending
• peaceful death
• key
• friends
• bittersweet

The diary serves as the central narrative device that reveals the entire love story between Luca and Niharika. It contains Niharika's personal writings, her traumatic childhood memories, and most importantly, the poison she engineered to kill Luca. The diary guides Akbar through the investigation while also delivering the poison to Luca as she had planned.

Foreshadowing: The diary is introduced early in the investigation as a crucial piece of evidence that will unravel the mystery.

• diary
• evidence
• story reveal
• chemistry
• poison delivery