The test launch for the first inter-planetary research station goes wrong when the satellite station is inadvertently set up instead of returning to earth. Two people attached to the secret project are missing, presumed murdered, and all suspicions fall on the cuckold husband, the scientist responsible for the lack of fuel aboard the rocket. The theory is he murdered his wife and her lover, depositing the bodies on the errant rocket. Desperate to prove his innocence he volunteers for the next mission to link up with the satellite and clear his name.

David Anthony, a Harley Street physician, swaps duties with his brother, a medical missionary in Africa.

Shades of "Romeo and Juliet" with rival British Brewery owners who hate each other and their children who fall in love.