Overview: Di comes up with a bizarre artificial insemination plan when Neil refuses to sleep with her. Phyl and Bev's latest scam is the production of Chateau Larkhall. Neil takes a risk by appointing Snowball as his orderly, Hedges steals some confiscated drugs and Karen tries to scupper Jim's chances of promotion after larkhall is privatised. Also, Yvonne discovers Colin's secret.