When a Liberator bomber carrying a group of high level military staff crash-landed in the icy wastes of Greenland, Lieutenant Alec Bartley and his squad of tough, mountain-trained Commandos were sent to find any survivors.

Alec and his team had the use of highly-manoeuvrable Aerosled vehicles to aid their search, but time was of the essence – an equally deadly German force was desperate to locate that downed aircraft first…