Violet and her father is placed into a state of depression after the sudden death of her sister Miyako which occurs only months after she loses her mother.

After visible bruises are found on Miyako's neck her death is obliviously marked out as a suicidal death. Months after Miyako's case comes to a close, a crucial factor is placed into the spotlight and suddenly everything changes.

Being thrown into a suffocating room, locked up and labelled as mental Violet comes face to face with Jiaheng ; a 24 year old psychologist. Along with further investigating of Miyako's death a potential love line forms between psychologist and patient.

But what really happened to Miyako?