On the day of fake heiress Li Shu's coming-of-age ceremony, the real heiress, Ye Xin, shows up at her door. It happens to be the day they secure a partnership between the Ye family and the wealthy Zhao family.
They say Ye Xin is a lucky charm who can bring good fortune to the Ye family.
So they drive the fake heiress, Li Shu, out. Li Shu returns to the Li family and starts bringing them good fortune instead.
Ye Xin and Ye Ming make things difficult for Li Shu at every turn. Later, the Ye family falls into decline, while the Li family's business flourishes.
Ye Ming wants Li Shu to return to the Ye family, but his scheme is exposed.
In the end, everyone discovers that Li Shu is the true lucky charm.
