Living in the remote tropics are two oil explorers, one of whom is married to a very attractive woman. One night, she tries to stab her husband and he is convinced by his partner that she is sick with tropical fever. They agree that she needs to see a head shrinker. En route to the doctor however, she convinces her husband's partner to help her kill the husband. Fortunately, the husband's trusted manservant is also with them and protects his master's interests in a very unusual way.