A dead body is found in the river. This puts Debbie Bellamy under suspicion as witnesses describe her fleeing the scene. David and Peggy are invaded by hippies. Rob and Helen attempt to make friends again and patch things up. Rob proposes to Helen.
Quest roles:
Peter Benson(Bernie Scripps), Kate Robbins, Rosy Clayton(Mrs. Bromley), Elizabeth Bennett(Joyce Jowett), Carole Nimmons(Jean Lightfoot), Lauren Drummond(Jane Black), Rupert Young(Zak), Steven Blakeley(PC Geoff Younger)