“I’ll do whatever you want me to. No matter what it is.”

Yoo Eunseo, a young woman just starting out in society, drinks with her childhood friend Choi Woojin to drown her sorrows after failing to land a job at a broadcasting station.

In the middle of the night, the two end up talking about hypnosis—said to be effective for psychological therapy—and with curiosity and hidden feelings tangled together, they step into territory they should never cross…