[3] US embassy employee Lee Cochrane and his Austrian wife discover their 18-month-old son Simon has been abducted, after their nanny leaves the child unattended outside a chemist's shop.

[4] The Monthly Film Bulletin wrote: "Hackneyed situations and conventional characterisation prevent this melodrama from developing much in the way of tension or emotional conviction, and flat direction has done little to prop up a contrived script.

"[5] Kine Weekly wrote: "Intriguing and unusual story, first-class acting and direction, popular cast, smooth dialogue, irresistible feminine angle, good atmosphere, thrilling finale and Eastman Color.

Granite-faced cop David Farrar is on hand to bring grit to screenwriter Janet Green's earnest chase movie, and not-so-hidden among the red herrings are a welter of British character players, with particularly impressive work from Thora Hird.

The little-known Anna Turner also gives a fine performance as the tormented baby-snatcher, and Harry Waxman's colour location photography is superb, but the cliff-top climax is a little hard to believe.