An office lady visiting her parents' home is suddenly attacked by a man living next door. Without understanding why, she is groped and her situation quickly spirals out of control, eventually escalating to forced lesbian acts outdoors. The man's depravity doesn't stop there—he handcuffs her, immobilizing her completely, then inserts the handcuff key into her vagina before abandoning her outside. When she cries for help, an unknown man appears at the scene, but his identity is something she never expected...