this is a real b movie..made in the 60's(i think)..it's a Japaneses,spy movie,wit our Japaneses,"james bond"..go's after a mad scientist,who wants to make men into slave fish..(mermen?)..with his American girlfriend..who's pretty cute..they go after the mad man..and after 90 fun filled min.,foil his plot(while almost getting turned into tuna themselves)..there's lots of corny action,radiation, and a whole underwater city to see(i was hoping to see Godzilla,but no such luck)..so if you like the b's..this "b" the movie to see...