Claire, a divorced mother and teacher, finds herself in a vulnerable moment following her separation from her husband. When a young and charismatic neighbor, Noah, moves into the adjacent house, Claire can’t help but feel drawn to his beauty and infectious energy. He is a charming, intelligent guy and seems to have a special connection with her. In a burst of passion, Claire and Noah engage in a clandestine affair that offers them an escape from their respective realities.
However, what begins as an exciting romance soon turns into a nightmare. Noah, who presents himself as the "perfect" guy, reveals a dark and possessive side that frightens Claire. As their relationship intensifies, Noah becomes more controlling and obsessive, endangering not only Claire’s life but also the safety of her son. Claire finds herself caught in a dangerous game from which she seems unable to escape.
Over time, Claire realizes that Noah is not the saint he appears to be and that his intentions are far more sinister than she had imagined. Struggling to protect her family and reclaim her life, Claire must confront this threat that has infiltrated her home. In a race against time, she embarks on a desperate battle to put an end to Noah’s dangerous obsession before it’s too late.