Comedy series starring CBBC's Barney Harwood and Nev the bear. In a bid to save his secret ice-cream business, Mr Prank buys a cow called Mildred to give him the freshest milk possible to improve his recipes. But when it seems like Aunt Barbara is about to discover the animal and in turn his secret little business, Prank smuggles Mildred into Barney's flat and ropes Nev into cow sitting. Unfortunately for Nev, Mildred has an enormous appetite and before long the cow gobbles everything in its path including Keith's beloved girlfriend, Doris! Will Doris be rescued? Will Mr Prank get the sack? Who will save the day?