Old Mr. Parker has made millions inventing and selling games. At the beginning of the movie, he dies and his relatives gather for the reading of the will. However, Old Mr. Parker is a game player to the last, and his will stipulates a Scavenger Hunt to determine which relative will get the inheritance. The winner of the scavenger hunt gets all the money, the rest get nothing.
A year after his father's death, Oskar, a troubled young boy, discovers a mysterious key he believes was left for him by his father and embarks on a scavenger hunt to find the matching lock.
As their first year of high school looms ahead, best friends Julie, Hannah, Yancy and Farrah have one last summer sleepover. Little do they know they're about to embark on the adventure of a lifetime. Desperate to shed their nerdy status, they take part in a night-long scavenger hunt that pits them against their popular archrivals. Everything under the sun goes on -- from taking Yancy's father's car to sneaking into nightclubs!