Carol Vyner is engaged to Detective-Inspector Alan Milton when she meets Harry Brent , a travel agent. She finds him very attractive, and breaks off her engagement to Alan. But that is only the beginning of a chain of events that becomes more and more mysterious. Exactly who and what is this man called Harry Brent ?
| Name | Type | Role | |
|---|---|---|---|
| Francis Durbridge | Writer | ||
| Alan Bromly | Director |