Since Stephen Seager, who is huge in stature but agile in action, won the support of millions of viewers with Deep Sea Dragon, many of his works have been translated into Deep Sea Dragon. What story does Deep Sea Dragon tell this time? This time, Seager is a commando captain who specializes in doing dirty work for the US government. He was sentenced to a heavy sentence because of his cruel means when performing tasks. While serving his sentence, the US government discovered that someone in a secret base in a small Latin American country was developing a hypnosis method to control human consciousness, and most of the agents sent to destroy this base never returned. In desperation, the government used Seager and his men who were serving sentences with him. The mission was clear: destroy the base and rescue the prisoners. Seager and his group of brave soldiers completed the mission easily. Who knew that the nightmare began on the way back...