On New Year's Eve, 14-year old Hailey decides to make a list of all the big things she wants to do but the real-world challenges she gives herself suddenly have huge stakes when a crazed Professor arrives from the future and tells Hailey the fate of the world depends on her.

Hailey and her dad enter Oceanside’s Sandcastle Building Contest, but a cheating A.C. goads her into a small-scale medieval war of epic proportions.