After leaving home, Diandian is found by Gu Jingshen while picking up apples, and he takes her home. A little elf named Fubao lives inside the longevity lock hanging around her neck, making Diandian the little lucky star cherished by the entire Gu family. Later, a serious illness reveals the truth: she is actually Gu Jingshen's biological daughter. But one unexpected incident follows another. This time, Gu Jingshen will make sure every villain is brought to justice.