Mrs. Dai, a 70-year old grandmother, suddenly finds that she has been transformed into her 20-year old self. Her old fashioned sense of style and manners cause some trouble, but falling in love could be the biggest problem of them all.

Businessman Lucky Loc has finally gained a respectable position in society. However, his winning streak comes to a sudden halt when he pays with "funny money" to an unsuspecting salesgirl, Quyen. Believing it to be his lucky charm, he's convinced giving away the bill caused his misfortune. At the same time, Quyen's fortune plummets and she blames the cursed "funny money" for it. When Lucky tries to retrieve the bill and Queyen holds it for ransom, Lucky must do his best to survive this increasingly materialistic world, while keeping his soul and sanity intact.