When Ahn Haneul an elusive con artist was caught red-handed when she was trying to steal from one of the hotel guest by Jung Taekwoon, the hotel manager of the Legacy Hotel, she was forced to do something for the hotel in order to buy her way out while working as a housekeeper and now she has to learn about the hotel policy, manners, honesty and unintentionally involved in the rivalry between the two hotels. In turn, Haneul devises a scheme to rid herself from it but will she manage to do that when she finds herself slowly falling love with the wolf?

JUNG TAEKWOON

The handsome, cold-hearted, and broody hotel manager and the only heir of the Legacy Hotel. He loves to sing and dream to become a singer but has to forget about it when he has to become his father succesor when he passed away in a car accident. He is very intelligent and become the youngest ever general manager with such steely competence, earning himself the nickname 'Wolf

AHN HANEUL

A cunning and somewhat cynical beautiful young lady who lead a luxurious life by being an elusive thief and scammer. Her parents were divorced when she was 14, resulting a teen Jinhee to run away. When she ran out of money, she began to rely on confidence scams to get by and she even impersonates an insurance agent. She managed to forge a billionaire payroll checks and succeeds in stealing over a million dollar.

BAEK SUMIN

The chic and haughty Assistant to Hotel Manager of Legacy Hotel. She is in love with Taekwoon but the feeling is not mutual. Her prickly personality of course extends to Jinhee, especially when Taekwoon likes to side on her.