Dave collects his old friend Trevor Baptiste from jail, where Trevor has spent the last three years for insurance fraud.
Mo attempts to exorcise the ghost of his dead wife Jasbir on the 15th anniversary of her death.
Dave and Trevor help out discount mortician DIY Derek to transport corpses, which DIY Derek drains and embalms from his back kitchen.
Mo's concerns about the community spur him into starting a milk round.
Nicola and Dave unwittingly secure maintenance contracts from rival mobile disco companies.
Mina returns to Manchester to tell Dave that he is the father of her son, and she wants him in her life again.
Rita is concerned when Dave considers selling the garage to a local MP/land developer.
As his 30th birthday fast approaches, Dave's relationship with Mo—and his sexual ardour—is tested by the arrival of a distant cousin from the home country.
Trevor's mum Ada wants a divorce after finding evidence that Bertrand has been having an affair. Trevor turns to Rita for comfort.
Mo and Rita clash over her close relationship with Trevor, Dave has a new and bizarre future for the garage, and Marley Bob has devious plans to wreak havoc.