Conor, Jock and Mairéad, always tight on cash, come up with a harebrained idea to become business owners as they buy a second-hand chip van to try to make some extra money.
Billy Murphy enlists the help of Conor, Jock and eventually Mairead to avoid getting killed by a former cellmate who has just been released from prison.
The baby is due, and everyone is frustrated by the nonstop arguing of both families. A weekend break is organised to try to calm tensions, but it turns out to be ill-advised.
