A half-breed gunslinger and a friend he hasn't seen in years join together to escort a shipment of explosives across Utah.

Secret Organizational Service (S.O.S.) is an international crime syndicate, quite successful with their feminine agents operating under the guise of a fashion model agency led by Lady Bristol and her associate Luigi. The International Service is the governmental secret service decided to put a term to SOS's action. An agent has infiltrated SOS - but she is in danger, after sending a coded message to her supervising Inspector. So, agents Alex Dinamo is to join forces with Adriana, and give the undercover agent a hand.

Strong-willed Luisa attracts lots of men, but her intelligence and sharp tongue often sends them running. When she meets Carlos, who is equally cagey, sparks fly. The two of them marry, and quickly begin clashing on a daily basis, humiliating each other as they try to teach one another lesson after lesson.

Karen Harrison is a spoiled, rich, American predator who falls head-over-heels for the brooding, tormented, about-to-retire matador, Luis Santos who has inexplicably run away prior to a corrida that was to occasion the "alternativa" of a young, up-and-coming bullfighter.