Wang Fujing is a fourth grade student, a magical tortoise comes to his life, and changes everything. This tortoise can speak and use magic to help him ten times. Each time the tortoise use a magic to help Wang, Wang would get a score based on how he uses the magic. After a few times, Wang learns that helping people with true heart is the happiness in the life from this experience.

In Shanghai in 1937, a journalist meets and falls for a woman who refuses to tell him her name, referring to herself only as "Ghost". She disappears, and his efforts to find her lead the journalist to clear up an old, unsolved murder case.