Robson Green and Mark Benton co-star in Christmas Lights, a one-off comedy drama for ITV1 centred on two lifelong friends who have always competed with each other. The festive season brings on new challenges and takes their rivalry to extremes resulting in the two friends forgetting what Christmas is really about. Can anything bring them to their senses?

A man who was adopted at birth traces his real parents, and discovers that they have severe learning disabilities and do not know he exists.