Eleven-year-old Beanie's bland life is changed for ever when he is sent on a mission. Armed only with laser lip-gloss and a pair of blend-in pants he has to save his parents from Evil Stella and return the Golden Nit to its rightful place at the heart of the sun, thereby saving the universe.

London high-society mouse, Roddy is flushed down the toilet by Sid, a common sewer rat. Hang on for a madcap adventure deep in the sewer bowels of Ratropolis, where Roddy meets the resourceful Rita, the rodent-hating Toad and his faithful thugs, Spike and Whitey.