In the years before World War II, a tomboyish postulant at an Austrian abbey is hired as a governess in the home of a widowed naval captain with seven children and brings a new love of life and music into the home.

After reluctantly packing up his daughter, Mollie, and sending her away to study art at a Paris college, Frank Michaelson gives new meaning to the term "concerned parent." Reading Mollie's letters describing her counter-culture experiences and beatnik friends, Frank eventually grows so paranoid that he boards a plane to Paris to see firsthand the kind of lessons his daughter is learning with her new artist amour.

After a lengthy voyage, Capt. Bart docks his ship in a London harbor and is given a new mission by British Admiralty: capture the notorious Henry Morgan, a pirate who has been wreaking havoc throughout the Caribbean. After recruiting some former shipmates for his crew, Capt. Bart sets sail in search of the infamous buccaneer, and is joined by a beautiful female stowaway in the process.

A private investigator endures the rigors of an insane asylum in order to locate $1 million in stolen loot.

An airline executive refuses to believe that pilot error, by his friend, caused a fatal crash and persists in looking for another reason.