After witnessing a hit-and-run accident, Ji Min becomes one of two prime suspects. While suffering from neurasthenia and being relentlessly shadowed by policeman In Tae, she begins confusing fantasy with reality.

Movie is about Ji Min who is being witnessed for neurasthenia, witnesses a hit-and-run and starts confusing reality and fantasy. She becomes a suspect of the hit-and-run along with Woo Ri, with a policeman chasing their every move named In Tae.