Doris Graham

A series of unexplainable accidents befall the people and companies responsible for developing the world's first supersonic airliner. A British agent is sent to investigate and with the help of another agent uncovers a plot masterminded by Carl Petersen who stands to gain eight million pounds if the aircraft is not ready by a certain date.

Introducing the Walmington-On-Sea home guard. During WW2, in a fictional British seaside town, a ragtag group of Home Guard local defense volunteers prepare for an imminent German invasion.