An upstanding taxi driver unknowingly picks up a woman and her "little person" accomplice, disguised as a baby, who are revealed to be criminals. Upon their departure without payment and leaving the meter running, the driver, Stan, pursues them onto a cruise ship where he uncovers their nefarious activities.
The tough Captain Bull is not pleased with the cabbie's presence, and growls that Chester can either work his way across or be murdered. Chester is put under the supervision of Purser Cryder(Hardy), who usually ends up taking the blame for the Cabbie's incompetance.
Chester suspects something is peculiar about the "Baby" when it cleans him out in a dice game. He angrily throws the "Baby" down a smokestack. Ordered to give the dirty "Baby" a bath, it is revealed to have a grown man's hairy chest.
Knowing the jig is up, the "Baby" takes a measure of revenge by beating up Purser Cryder.
