Fletch is excited that old flame Jen is returning to their home town of Bonnybrigg and is keen to tell his friends Spunk and Wendy. After a run-in with old enemy Wonka and his gang the three lads attend a welcome home barbecue for Jen but to Fletch's dismay she has brought her handsome new fiancé James. Taking advantage of James' gluten intolerance Fletch decides to make his play for Jen, but the plan backfires - literally.