三个孤儿院一起长大的孩子，命运跟他们开了个大玩笑，上演了一场警察与匪徒的对杀戏码，最终在对方的枪口下死去。

An animated comedy about two-step brothers who find inventive things to do on each day of their summer vacation such as building a roller coaster out of materials you would find in your everyday home like popsicle sticks, indoor plumbing, etc. Unbeknownst to them, their pet platypus, Perry, leads a double life as a secret agent.