After his mother tells him to stop playing video games and go outside, a young boy tries to catch the last leaf on a tree, thinking it will bring him luck.

Maddie, a hard working high school senior, on a whim buys a lottery ticket and wins; suddenly she is the center of everybody's attention, including her struggling family, and not necessarily in a good way--only Seth Nguyen, her charming coworker at the local zoo, seems oblivious to her luck, and Maddie is not sure whether telling him will change their developing relationship.

After a string of incredibly good luck, Molly decides that she has developed magical powers--but when she finds out that her pen pal Olive has had an equally surprising run of minor disasters Molly starts to wonder if her magical good luck is somehow responsible for her friend's problems.