Richie and Marvin are two things. Best friends and flies. They enjoy all the things happy loving flies do. Eating, flying and relaxing. They were living their best life, until one day a tragedy happened. While eating some jam on a piece of toast, Marvin gets swatted by the homeowner. For this, Richie vows to avenge his lost friend! Richie might be small, but with his fearlessness and cunning, the human quickly finds out he's in for the fight of his life.