Party Party is a 1983 British comedy film about three friends and their North West London crowd. This crowd includes workers, spivs and young police constables. A British entry into the teenage/youth house party genre typified by John Hughes' films and the late 1980s movies of Kid and Play. The movie was directed by Terry Winsor and written by Daniel Peacock and Winsor. It is notable for its soundtrack and as the early work of several of the cast members.
It's New Year's Eve, Johnny Reeve (Karl Howman) and his mate, Toby (Daniel Peacock) are out cruising in North-West London being followed by three quasi-threatening motorcyclists. At the same time, Larry (Perry Fenwick) is at Mass with his parents. Just after "Mum" and the Vicar begin bemoaning the nuisance that the motorcyclists make, Johnny and Toby pick up Larry from the front of the church. Through their conversation and those of other characters, we learn that the three are planning to hold a party at Larry's while his parents are away.
Meanwhile, at the police station's gymnasium, Rebecca (Phoebe Nicholls) is sparring with Sam, physically and verbally. After the workout, in the locker room, she teases Sam and Terry. Out in the squad bay, the sergeant tells them they are not to break up any of the local parties which means they can all go to Larry's party.
Larry fakes illness so that he doesn't have to go with his parents. Toby shows up early and almost blows it by talking about the party in front of Mum and Dad. Once the parents leave, Larry and Toby begin preparing for the guests.
The rest of the movie takes place at the party. Larry is shocked to see Sharon engaged to Tony and keeps trying to spirit her away for a "last fling." Rebecca and Johnny keep using others to get a reaction out of each other including Sam and Bobby. Toby unsuccessfully tries to connect with any female. Shirley is so distraught by her failed attempts to connect with any guy, she plans on drowning herself in the bath tub. Sonya tries to get Tony back. Brenda pursues Sam to no avail until it's clear that Rebecca really doesn't fancy him. Terry succeeds in getting blotto, or "paralytic."
Leading up to the climax, Terry and Shirley hit it off in a full bathtub and Bobby calls Brenda a slag. When Toby defends her honour, Bobby starts to get ready to beat Toby up. Johnny clears everyone out of the kitchen and locks the door leaving Toby alone with Bobby. While Sam and other men cowardly leave Toby in the lurch, Johnny circles back through the back door and sucker punches Bobby, knocking him out. With a wink to Toby, he leaves through the back door. Toby realizes his opportunity after a moment and stages a brawl with appropriate sound effects so that when the others burst in, he is holding his hand and giving the impression that he knocked Bobby out. Now the hero for standing up for her honour, Toby finds himself the object of Brenda's affection. Johnny and Rebecca connect. Shirley and Terry connect. Larry almost connects with Sharon when he is interrupted by Tony and Sonya. Hypocritically, Tony then breaks his engagement with Sharon and goes back to Sonya.