When Ollie falls on a nail, Jas tries to help him overcome his needle phobia so he can have a tetanus jab. Meanwhile, Chloe is furious with Matt for blabbing about their sex life and DK creates havoc with a ventriloquists doll.
DK gets a job as a nude model, Chloe and Matt decide to spice up their sex life and Ollie becomes obsessed with his French teacher, driving Jas into the arms of another man.
In a series of flashbacks, DK explains to the Principal how he got his black eye. Meanwhile, Jas tries to cover up her indiscretion with Horace and Chloe gets a kitten.
Chloe handcuffs together Jas and Ollie and refuses to set them free until they make friends. DK finds a kindred spirit in Doreen, a foul mouthed pensioner who likes blowing up ducks. Matt has to learn all he can about Chloe in 24 hours.
DK is horrified to learn the Principal is leaving, to be replaced by public school educated ex-army officer Captain Gannet. Meanwhile, Ollie has chest pains following his break up with Jas.