Thriller - Season 3 (1974)

When a young soldier suddenly dies, his parents and his girlfriend are naturally shocked and upset by the news. Several months later a young man turns up at the parent's house claiming to be their dead son's best friend. They welcome him and invite him to stay for a while. They also introduce him to their son's girlfriend and she is similarly impressed by him. It is later discovered, however, that he is not what he appears to be and may have had a hand in their son's death. Since he cannot allow his plans to be found out, more deaths are soon to follow.

At breakfast in a country hotel, American tourist Cathy More inquires about the whereabouts of her cousin Jane, who has been traveling with her. The proprietors, Mr. and Mrs. Lewis, insist Cathy was the only person to check in the night before, and Jane's room shows no sign of having been occupied. The police are called to investigate, but they began to suspect that Jane may be merely a figment of Cathy's disturbed mind.

The police receive an anonymous tip that Bernard Peel has murdered his wife, Jennifer. Peel declares his innocence, but there is a substantial amount of evidence contradicting his story. Is someone trying to frame Mr. Peel? Peel asks private detective Matthew Earp to investigate.