Dr. Benjamin Twist (Hay) and his pupils become involved with art thieves on a trip to Paris. Hay’s seamy schoolmaster act is supported by a fine cast including Charles Hawtrey and Lilli Palmer.

David Barr is the manager and chief designer of a British shipyard in decline. The shipyard is in financial trouble but Barr has a design for a new ship that will save them all. Can he get the ship built in spite of the opposition from his own bankers as well as the rival shipbuilders and their infiltrated militants.