Xia Yuchu became Lu Sichen's contract lover in order to save her family, but she didn't know that this was an elaborate scam. When Lu Sichen threw out the "Permanent Custody Transfer Agreement," she discovered that the family who had raised her for twenty years were not blood relatives, and that she had been completely sold out for 300 million yuan. In the legal cage and the emotional maze, two scarred souls begin a dangerous game about possession and freedom, lies and truth.