The second part of an action-packed action movie about the struggle between smugglers, the Japanese Coast Guard and G-men. Having caught a suspicious radio signal, the coast Guard discovers that a smuggling transaction is taking place and goes to the place. It was supposed to be a big catch, but they lose sight of the smugglers by finding and rescuing a woman drowning in the sea. The rescued woman says she jumped into the sea while escaping from a slaver's boat...  A luxury version featuring the two main stars of the Toei company – Chiezo Kataoka and Utaemon Ichikawa.