Don't be jealous,Your Grace！

Tracy, a pastry chef whose family goes bankrupt, agrees to marry the Duke to save her father. However, she discovers the Duke is as cruel as the rumors say, so she decides to flee. Unexpectedly, the driver who takes her away is the Duke himself. The two enter into a marriage contract: the Duke gives Tracy's family money to save the family, while Tracy and the Duke pretend to be husband and wife, ensuring that the Duke inherits the title on his 30th birthday...