All episodes

Tom Fielding loses his secretary and needs a replacement, unfortunately Barbara Smith is one he should have avoided.

An old acquaintance of Milton's recounts how she overheard a conversation in which Fielding discusses his imminent death with Harry Brent.

Mrs Tolly had masked her identity, but her husband puts a devious plan in action in order to obtain Fielding's fountain pen.

Milton decides to share the discovered films with Carol, and a frank discussion forces him to confide in her.

Carol disappears after Harry explains what's going on, Tolly confesses to a little white lie.

Milton enlists Carol's help to set a trap for the killer.