Full Spead Ahead follows the hilarious antics of an accident-prone traffic officer in Mexico City. With his trusty motorcycle and a crosley-automobile, he goes on a series of misadventures that test his friendship and highlight roommate issues. Musical numbers and encounters with the local police department add to the chaos.

In this 1951 comedy musical, a traffic cop and a buddy cop become roommates and face challenges in their friendship as they both fall in love with the same woman. Jealousy and melodrama ensue, with motorcycle chases and traffic officer antics adding to the chaos.