Captain's daughter Josephine and common sailor Ralph Rackstraw are in love. However, their relationship is complicated by her arranged marriage to the high-ranking Sir Joseph Porter. A secret about the characters' true identities revealed by Little Buttercup, which leads to a farcical resolution. Filmed live from the 1980 Stratford Festival in Ontario.

Broadcast on 1 February 1956, composer Arthur Benjamin's Mañana was the first opera commissioned by the BBC.