After an accidental drowning, Li Wei Wei a famous fashion designer, loses parts of her memory. Whereby her memories stop at when she was 23. The boyfriend she remembers has now become her ex and rival, and instead a stranger is her fiancé. Li Wei Wei does not believe that she broke up with her ex Chen Yi Du and investigates the reason to as why they did. Her fiancé Qi Cheng, in order to protect and rekindle his relationship, uses all methods to prevent Wei Wei from investigating. During her investigation, Wei Wei discovers that due to the hectic lifestyle of adulthood, she has lost the innocence of her original dreams. It was this very reason as well to as why she and her ex broke up. The now 30 years old Li Wei Wei has decided to change her lifestyle. She plans to regain her most pure emotions and dreams as well as finding true love.

In the 1980s, when middle-aged Hu Ba Yi packs his belongings for one of his adventures, he finds an old photo, which brings his memory back to his college days in the 1960s. He then reminiscence about his first adventure that led him to become a tomb-expert.