Maki Amamiya is a young married woman whose intimacy with her husband has faded, leaving her feeling lonely and isolated. Targeted by a stalking man, she is suddenly attacked and assaulted. Though she tries to resist, deep down her loneliness overwhelms her guilt, and she begins to crave the man's touch. Unable to shake her feelings of betrayal yet yearning for connection, she allows the stalker to return. But when the stalker brings another masked man to join in violating her, she is left wondering—just who is this mysterious second man?