Everyone knows that Gu Yuze has a very handsome assistant. The ultimate bad boy, Gu Yuze is known for his arrogant and eccentric behavior. The assistant helps to deal with Gu Yuze's ex, reconcile the estrangement between Gu Yuze and his father, and even fight against gangsters. This mysterious assistant always cleans up Gu Yuze's messes. Until one day, people suddenly find that Gu Yuze is in love with his assistant, and the assistant is actually a girl.