Oscar Schmidt is a klutz and gravity is his nemesis - it pulls him down, trips him up, and helps the neighbourhood bullies make his life all-around awful.

But when Oscar finds an abandoned train caboose one day after school, everything changes.

Inside, he discovers a magical potion: Dr Oopsie's Amazing Gravity Repellent.

Along with his best friend, Asha, Oscar learns what happens when he defies the laws of nature.

But when the caboose comes under attack from a group of bullies, Oscar's reaction puts his worst enemy in serious danger.