Lin Nian, a freshman, received a stack of scratch-off tickets from his mother as living expenses at the beginning of school. Behind this seemingly absurd move, there was a dusty heroic past hidden. Lin Nian has special perceptual abilities and can see prompt messages appearing on items. With this talent and wisdom, she not only solves the difficulties in life, but also gradually reveals the truth about her father, undercover policeman Zhou Zheng, who sacrificed for justice.