Haunted by loss and fueled by vengeance by her adoptive father, Milia, orphaned by the ruthless Throne Empire, clawed her way into their world. Disguised as a talented artist, she gathered evidence that could expose their evil from within. But vengeance has a way of twisting paths. When Milia crosses paths with Victor Throne, the Empire's enigmatic stepson. She sets a plan to get him drunk and sleeps with him to use it to blackmail him. Indeed her plan was successful, she's prepared for a confrontation with all the evidence she had gathered and tries to blackmail him. Instead, her plan backfires as he throws her a contract marriage proposition which had nothing to do with the plan she had. Will she accept his proposal? Why did Victor arrange for a contract marriage? Does he have an idea about Milia's plan and play along all this while? Or was the contract marriage a way to keep their family secret hidden and have Milia at his fingertips?