"Being the adventures of a young man ... who couldn't resist pretty girls ... or a bit of the old ultra-violence ... went to jail, was re-conditioned ... and came out a different young man ... or was he ?" In future Britain, charismatic delinquent Alex DeLarge is jailed and later volunteers for an experimental aversion therapy developed by the government in an effort to solve society's crime...

Wallace is used by a criminal penguin in a robbery involving mechanical trousers.

Wallace falls for Wendolene, a wool shop owner, while Gromit is framed for the sheep rustling.