When Grant dates Michelle's gorgeous friend Chloe, Michelle gets jealous and resorts to underhand tactics to split them up. Claire resolves not to sleep with anyone outside marriage just as Chris realises that the only woman he wants to sleep with is Claire.

Gorgeous barman Alex rejects Michelle because she's vain, so Michelle determines to win him back by becoming the ugliest woman in Manchester. To overcome his obsession with Michelle, Grant vows to go home to Swansea, but he is hijacked on his way to the station by Michelle's deranged boss, Rachel. Chris prepares to take out his sexual frustrations on a watermelon.

When Grant's new lover Rachel demands that he stop seeing Michelle, Michelle enlists the help of a blow-up sex doll to persuade Grant to confront her and gets fired. Chris discovers that being engaged makes him a love god, but when he refuses to buy Claire a ring she finds herself slipping back into her slutty old ways.