Когда она ушла is a captivating crime novel developed by aza for Android devices. The story is set in Virginia, where a woman is found dead in a peculiar way. The FBI is struggling to find the killer while a serial murderer continues to kidnap and kill more victims. The only person capable of solving the case is special agent Riley Paige.

Riley is currently on a break from work to recover from her previous encounter with a killer. Despite being too weak for new challenges, Riley decides to fight her demons and join the game. While hunting the killer, she encounters a strange subculture of doll collectors, visits orphaned families, and delves into the dark depths of the murderer's mind. As Riley peels back layer after layer, she realizes that she is dealing with a more twisted killer than she expected. With time running out, she puts her job on the line, her fragile psyche breaks down, and her family's safety is threatened.