Merton Park Studios Ltd.

A Scotland Yard ballistics expert is called into identify a murderer through a scientific analysis of the bullet that killed a man.

When Scotland Yard detectives investigate the murder of a man in the London airport, the trail leads to Lisbon and a international currency smuggling gang.

A saloon owner falls in love with the abused wife of a heavy gambler. He is snared into a web of intrigue when an ex-girlfriend is found murdered in his apartment.

From the case files of Scotland Yard, detectives investigate the mysterious death of Peter Adams, artist and possible forger.