Sleepless

The film opens with Angela after a troubling encounter. She knocks over a chest of bladed weapons and flees in fear, then reads a blue scrapbook that links to Turin's serial killer known as 'The Dwarf Killer.' This discovery sets off a chilling game of cat and mouse.

An unseen killer calls Angela and threatens her life, heightening the sense of danger. The voice is intimate and chilling, hinting at a personal connection to the murders. Angela feels the pressure tighten around her.

Angela, unable to meet Amanda at the station, asks her friend to fetch the scrapbook. The request moves the object deeper into the investigators' world and deepens the mystery surrounding the case. The station becomes a key convergence point for the two women.

The killer boards the train and pursues Angela, cutting off her finger as she tries to escape. Cornered, she is slashed to death, ending the threat to reveal the killer's identity. The attack demonstrates the killer's escalating brutality.

Amanda boards the train to rescue Angela's memory, but the killer corners her in her car and stabs her to death. She manages to recover the blue scrapbook before the attack. The murder leaves the book in the killer's possession.

Detective Moretti, now retired, collaborates with Giacomo to untangle the early murders. They revisit the so-called Dwarf Murders, tracing a pattern across Turin and recognizing a suspect, Vincenzo de Fabritiis, who died before conviction. The threads connect the old case to present-day killings.

The killer murders Mel by dragging her into an indoor fountain during a struggle, drowning her. He also cuts her fingernails to remove scratches from the attack. The murder marks a brutal escalation of the spree.

Beppe uncovers information about the killer and tries to blackmail him into meeting. The killer murders Beppe, ensuring there is no intimidation left. The pursuit grows more dangerous as more people are drawn into the mystery.

Giacomo interrogates Leone, a friend of de Fabritiis who shares the dwarf trait, and Leone is killed by gunfire. The investigation widens as suspects feel the squeeze of the continuing murders. The killer's MO begins to reveal a broader pattern.

Dora is pushed into her building and repeatedly slammed into a wall, knocking out her teeth. The killing adds to the pattern of escalating brutality and horror. Moretti and Giacomo search for connections among the victims.

Moretti analyzes the nursery rhyme 'The Crazy Farmer' to explain the killer's MO. He deduces that the killer is driven by animal noises from the rhyme and predicts the next victim will be Mara at a ballet. They arrive too late as Mara is beheaded.

Laura collapses after seeing a silhouette she mistakes for Vincent, dying from the fall. Moretti suffers a fatal heart attack triggered by the same silhouette. The murders escalate to a near-psychological terror that the killer's presence is everywhere.

Betti's father appears, shoots Giacomo in the shoulder, then apologizes to Lorenzo and shoots himself in the head. This shocking maneuver unsettles everyone and hints at deeper family involvement. The moment begins to reveal Lorenzo's central role in the murders.

Giacomo confronts Lorenzo, who pulls a knife and taunts him as Gloria watches. An active detective shoots Betti's shoulder, then fatally shoots Betti's father, and the police raid the apartment. Gloria and Giacomo contemplate the end of the terror as the killings finally stop.