Will, Simon, Jay and Neil bunk off from school and attempt to buy alcohol with Will disguised as an adult. They head to Neil's house to get drunk, where Simon has a vodka-induced romantic revelation about his childhood sweetheart.

Will, Simon, Jay and Neil bunk off from the sixth form. Part one of the master plan has Simon call the school and pretend to be his own mother. Unfortunately his call gets passed on to the head of sixth, Mr Gilbert, who instantly rumbles him. Undeterred the boys attempt to buy alcohol from the local wine merchant, with Will disguised as an adult.

They head to Neil's house to get drunk, where Simon has a vodka-induced romantic revelation about his childhood sweetheart Carli. After Neil's dad arrives home unexpectedly and kicks them all out, Simon decides to declare his true feelings for Carli in graffiti form for all the world to see. Somehow this works and Carli invites him over to her house. When he turns up with Will in tow, the effects of his all-day drinking begin to show on Simon.

After disgracing themselves at Carli's, Will and Simon trudge home to face the wrath of their furious parents.