Hannah, a quiet and studious college girl, reluctantly agrees to attend a sorority party, unaware of the life-changing events that await her.

While talking to a handsome foreign exchange student, Hannah’s evening takes a sudden and terrifying turn when she finds herself in an unfamiliar and dangerous situation.

Hannah is introduced to Chyou, a powerful woman living in Shanghai, who immediately establishes herself as someone who expects total control and obedience.

Struggling to adapt, Hannah faces difficult challenges and strict discipline under her new mistress, as she learns the harsh rules of her new environment.

Hannah begins to realize the depth of her situation as she navigates the dark underworld of Shanghai, encountering new challenges and dangers at every turn.

As her ordeal continues, Hannah must summon all her strength and resilience to survive in a world where obedience is demanded and escape seems impossible.