An American airline firm plans to buy a new British passenger plane, but the deal hits some unexpected trouble. Delightful British culture-clash comedy from Carry On director Gerald Thomas.  An American airline plans to buy a new British passenger plane, but the deal falls apart when the plane’s designer, Jack Hopkins, forms a rivalry with the daughter of the airline owner, Kathy Fisher. The pair’s bitterness starts when their cars collide in a country lane – and they both blame each other. Is the deal doomed?