They don't know each other's true identity. How will this game end? Harley Carson, the heiress of the Carson family, was betrayed by her stepsister Ivy Carson and fiancé Gavin Gray. She nearly lost her life, but survived by faking her death. Five years later, as the chairwoman of HyperNova Association, she returns with her son to take revenge on Ivy and Gavin. Unexpectedly, Nolan Hamilton, her one-night stand, reappears. For their son's sake, Harley decides to sign a marriage contract with Nolan. Unknown to her, Nolan is not a mere escort, but the heir of the prestigious Hamilton family…