Oxygen

Houdini abducts a rich businessman's wife and buries her alive, turning a private tragedy into a calculated trap. He warns that time is running out and the oxygen will deplete unless the ransom is paid. The chilling setup establishes the high-stakes threat that drives the investigation.

Houdini contacts the husband and lays out the terms: $1 million in cash in exchange for the location of the burial site. He insists the information will only be released after the money is delivered, setting a race against time. The stakes escalate as the family and authorities prepare to act.

With the kidnapping unfolding, the police assign Detective Madeline Foster to locate the buried woman and capture Houdini. The case becomes a city-wide manhunt, monitored by the police and the FBI looming in the wings. Foster prepares to navigate danger and deception.

Houdini reveals that he wants the police involved so he can pull off a second kidnapping—this time aiming for Foster. He engineers moments in which the chase pulls the authorities closer to him. The plan accrues momentum as the threat shifts from a rescue mission to a personal stake.

A tense high-speed pursuit across the city ends with Houdini being caught as Detective Foster closes in. The arrest appears to be a victory for law enforcement, yet it marks the beginning of a more dangerous game. The capture confirms Houdini's willingness to gamble with people's lives.

The FBI steps in to interrogate Houdini but fails to extract the truth about the burial. The investigation stalls as investigators struggle to connect the clues and uncover the victim's location. The sense of a dead end deepens the mystery.

A shocking twist reveals that Houdini has already murdered his accomplice. The stakes of the case broaden, and the police realize the man may have nothing left to lose. This revelation reshapes the investigators' perspective on what really matters.

Houdini offers one last lifeline: a private talk with Foster if he can be allowed to speak alone and reveal the burial location while promising to recover the victim alive. The police reluctantly agree, aware they are stepping into a dangerous psychological game. The moment tests trust and blurs the line between hunter and hunted.

During the conversation, Houdini is revealed to be a painter working inside the police department who had drafted a detailed map of the building. The disclosure shows the depth of his infiltration and planning. Foster begins to suspect that the real threat is closer than she thought.

Just as Foster starts to piece together the truth, Houdini takes her to the place where the first victim lies buried. The atmosphere thickens with tension as secrets surface and the hunt reaches the heart of the crime.

Foster breaks Houdini's hold, frees the woman who has been buried alive, and brings her back to safety. The rescued victim confirms the danger is real and personal loyalty becomes a factor in the pursuit. The moment shifts the power dynamics again.

Foster seizes Houdini's gun, pushes him into the coffin, and taunts him as she closes in on him. The coffin becomes a stage for the final confrontation and the unraveling of Houdini's scheme. The tension peaks as the law finally closes in on its would-be mastermind.

In the final act, Foster shoots Houdini instead of burying him, ending his threat for good. The decision emphasizes her resolve and the moral complexity of a pursuit that blurred lines between hunter and hunted. The buried victim is rescued alive as the case reaches its conclusion.

The buried woman is recovered alive and the case closes with the killer defeated. Investigators reflect on the surprises that emerged from Houdini's elaborate ruse and the uneasy alliance that formed between suspect and detective. The city returns to a fragile sense of normalcy.