A psychologist is found dead in a seemingly sealed room. Inspector March needs to decide who had the most reason to kill him, and how did they accomplish the task.
Members of a Britsh mountain climbing club are seemingly terrorized by an abominable snow man after film of tracks belonging to the creature are released. March struggles to accept the nature of the creature, and what it's real motivations are.
March's niece witnesses her husband die in a plane crash. Soon after she begins to complain she can hear his voice in the night and others in the house become convinced her husband has returned as a ghost.
Colonel March is called in to investigate the theft of a valuable diamond as well as a poodle. As he continues his investigation he begins to think both incidents may be connected.
Colonel March is on holidays in France when he meets an old friend from the French police who tells him of a murder at the docks. The French suspect he was a smuggler who had English contacts. March decides to aid them in their investigation.
How did Davos end up with a knife in his back? The murder happened behind the "silver curtain" of spray from a fountain. He was alone with Jerry Winton in a dead end alley, but Winton didn't do it. Can Col. March unravel the mystery?
A shady businessman collapses on an oceanside jetty, the apparent victim of a heart attack, but a vacationing March discovers blood and a needle near the body.
