On the night of her wedding, New York socialite Lia catches her husband Gavin cheating with his first love Ela. Drunk, she mistakes returning heir Ethan for a male model, spends the night with him, and throws a black card at him to buy his silence. At a later party she learns he is the crown prince of a top wealthy family, and Ethan uses the video of that night to force Lia to divorce. The two keep at odds, and Lia fights off her selfish husband and scheming lover while sinking into Ethan's domineering love, staging an entangled urban aristocratic romance amid family interests, marital shackles, and restless hearts.