Ron Gorton

La mujer de un tirador le convence de que no acepte el acuerdo del codicioso propietario de un casino para matar a Bat, pero el dueño del casino busca la forma de forzar el asesinato por cualquier medio.

Latin American revolutionaries seek Mike's help recovering a murdered opponent's body from the palace lagoon so as to have incriminating evidence. But as Mike investigates, another rebel is mysteriously killed, deepening the conspiracy.

Playboy sportsman Elliot Conway and his wife Gloria employ Mike Nelson to teach them skin-diving and guide their underwater "safari" for sharks in the waters off Peru. Mike fights a school of hungry sea beasts to save the lives of his "pupils."