5x4 - Two Pints of Lager and a Packet of Crisps

Furious with Gaz for sleeping with Janet, Donna walks out, she can't bring herself to forgive either of them. Jonny has a present from Gaz, a £100 car, that he names Herbie. Louise has to get Jonny to forgive her for getting him shot to her solicitor, so black mails him, he doesn't go with it so she puts poor Herbie under the crusher! Donna is on her way to Ecuador without Gaz, can Janet stop her?