Binghamton assigns a klutzy, bumbling British sub-lieutenant to the 73 crew, in hopes that he will sink the boat, and break up the crew.

Parker gets tossed in the brig after accidentally hitting Binghamton. To get him out, the crew has to convince Binghamton that Parker is the nephew of a famous Senator. Problems ensue when the real Senator shows up.

When the crew's still springs a leak into a nearby stream, Binghamton drinks the water and the crew cover by claiming it's the Fountain of Youth.