Wetbacks (1956)

Former Coastguardsmen Jim Benson is about to lose his boat when a couple approaches him for a fishing charter Jim departs just ahead of the Sherrif with drunken Shanks and his companion Sally Gates Shanks takes off into a small Mexican village after a fight with Jim stranding both Sally and him with no money Two local men hear of Jims plight and offer him money to smuggle a batch of illegal aliens called Wetbacks into the US He agrees but is blackmailed into continuing to run the smuggling operation Afraid Jim decides to make a run for it but someone close to him reveals themselves as a US Immigration agent and asks him to assist them in shutting down the smugglers for good