An undercover CIA agent posing as a reporter travels to South America on a mission to destroy a drug cartel.

Pocho Martin's body is found dead on the shore of a fishing village. According to the forensic Ramiro, Pocho has been assassinated, which alerts the Commissioner Carlos. Young Silvia, Pocho's friend, receives the sad news but is more concerned about her impending wedding with Andy. Crackpot Oscar speaks to Carlos of the dangerous sirens of Deer Island, evil women who attract sailors and annihilate them. When Ramiro and Carlos go to the island, they find the sisters Lila and Mary, who run a tavern / brothel near the beach. Carlos and Lila are old acquaintances and celebrate the reunion, but the murder of Pocho remains unsolved.

The colonel Daniel Blimp, of the secret British service, travels to Bangkok to investigate the murder of the Brittish Ambassador happened during a holiday in his residence. Blimp receives the help of Keats, agent of the secret service. Both men discover that the man who shot against the Ambassador is blind, and it takes the black skin as a result of a strange phenomenon of mutation.

Upon arriving at the dilapidated estate of his mentor, Dr. Harker finds his former professor, Dr. Usher, radically changed. Instead of the reasoned scholar he once knew, a paranoid man is in his place and he's spiraling into madness.

A young jazz-composer turns vengeful commando against local drug Mafia Capos when his wife is killed at the hands of Caribbean drug dealers.

Moira Frankenstein, the grand-daughter of noted mad scientist Dr. Frankenstein, has become obsessed with the work of her ancestor and she decides to pick up the family business where he left off.

A priest secretly leads rebels in their struggle against the corrupt military dictatorship of the Central American country of Puerto Santo.

A woman, raised by an Amazon tribe after they killed her parents, seeks revenge on the tribe for their deaths by joining an expedition looking for the tribe's secret golden temple.