Thief of Hearts

Scott teams with Buddy to break into the Davises' home while Buddy watches the couple. The burglary marks the start of their crime spree and the uneasy partnership between them. Scott leaves with his loot, already calculating what comes next.

During the burglary, Scott steals Mickey's diary. He reads it and learns that she yearns for a more exciting life. The diary's fantasies spark his growing obsession and set the stage for his plans to make them real.

Scott becomes fascinated by Mickey after reading her diary. He starts to imagine turning her fantasies into reality. The idea motivates him to manipulate events to draw Mickey closer.

Using his inside knowledge and a pretext as a school-supply company CEO, Scott engineers a seduction to redesign his apartment. He offers to help reinvent her world as a sitting-in for an interior project. The affair blossoms as Ray grows suspicious.

Ray Davis, absorbed in his work, neglects his wife, leaving Mickey craving attention. The secret romance deepens as Ray becomes suspicious of Scott's presence. Mickey's feelings blur the line between danger and desire.

During another robbery, Buddy kills a policeman who spots them. The violence raises the stakes and heightens Scott's anxiety about getting caught. The trio's fragile plan starts spiraling out of control.

Scott's tense demeanor alarms Mickey as she starts asking questions about his past. Ray, along with his friend and publisher Marty Morrison, follows Scott and snoops around the robbers' building. They discover that Scott is the thief who stole their belongings.

Buddy warns that Ray is close, prompting Scott to confront Mickey and urge her to leave the city with him. He reveals that he was the thief who took her diary. Mickey's loyalty and desire collide as danger closes in.

Ray arrives and fights Scott, forcing him to retreat as Mickey comes to her husband's aid. Scott escapes from the confrontation and vanishes into the night. The couple is left to pick up the pieces of their ruined trust.

Later, while the Davises are out, Scott breaks into their home again and reads Mickey's new diary entry. The act confirms his obsession and keeps the danger close. Buddy, eager for more loot, schemes another intrusion, setting up further conflict.

Scott and Buddy clash as their plans collide, turning into a brutal confrontation. Buddy is stabbed with his own knife, and the attack shatters their fragile alliance. Scott's desperation grows as the situation spirals out of control.

The Davises return to find the intruder still in their house, turning a private nightmare into a tense standoff. They confront the remaining threat with fear and resolve, unsure who will act next. The night tightens around Scott and his dangerous fixation.

Mickey shoots at the masked intruder, and Buddy is wounded as he stumbles to the floor. The police arrive, turning the scene into a tense conclusion and forcing Scott to choose his next move.

Mickey discovers Scott alive but wounded in the bedroom. She processes the shock of his fixation and the night's revelations, questioning what comes next. Scott hides from the police as the danger around them deepens.

To avoid arrest for Buddy's murder, Scott escapes through a window into the night while Mickey watches. The ending leaves his fate ambiguous as he disappears into darkness.