This detective drama returns tonight for three two-part episodes with all the old familiar faces. The last time we saw them, Lewis was starting a new life away from the force, but we can't imagine that lasting long. We reckon newly promoted DI Hathaway will reign him back in as he doesn't seem to be having any luck finding a partner-in-crime. It also looks like Ch Supt Innocent will try get the gang back together to look into the murder of a neurosurgeon, a case with potential links to the world of animal rights and blood sports. Hathaway and Lewis will be all over it.