It is Dennis and Jenny's big day, a former CID colleague of Merton's asks the team to track down an ageing bank robber known as "Ronnie the dog man". Jenny's disgraced brother Steve returns. Meanwhile, Vernon promises Jenny that he will catch a wild salmon for the wedding, only for Bernie to be more successful than him. Bellamy turns to Blaketon for help when Gina becomes convinced that he only wants to marry her because of the pregnancy.
