Oh Hae Ra, a wealthy heiress who has spent 20 years hiding from the outside world, escapes her lonely life through TV dramas and her obsession with star Um Tae Bong. When news of Tae Bong's accident draws her out of the safety of her home, Hae Ra takes her first steps into a world she has long feared. But what begins as a desperate trip to see her favourite star soon threatens her well-being.

Hae Ra wakes after three lost years and finds a world that has moved on without her. Convinced she is Cha Hong Du, she rushes to protect Um Tae Bong, only to discover the star has no memory of her and wants his missing ring back. As fragments of the past collide with Tae Bong's guarded secret, the truth behind Hae Ra's missing years draws dangerously close.