Howard Hughes’ famous film was the first to use Technicolor technology. It was also the most expensive film in cinema history until Gone with the Wind broke its record.

The action takes place during World War I. Two brothers, Roy and Monty, Oxford students with different personalities, volunteer for the Royal Air Force. Their task is to defuse bombs so that they fall into the water without causing damage to London. Soon, the brothers are assigned to destroy a German ammunition depot.