Episode: Absent Friends. Chigwell is in the grip of a burglar, and anonymous calls and letters are aimed at Tracey as an accomplice, since hers is one of the only houses not targeted. To square things up Chris, who knows the burglar and has warned him off Dal'n'Trace and Dorien's, gets him to stage a break-in at Tracey's house. Dorien, meanwhile, has her own security advisor.