Park Goo mutates into a man-fish due to side effects from an experimental drug. He receives heavy publicity and becomes a star. A conspiracy by a pharmaceutical company leads Park Goo to being possibly expelled from the world.
as Park-ku
as Ju-jin
as Sang-won
as Mutant's Father
as Doctor Byeon
as Lawyer Kim
as Dong-shik
as Chairman
as Chairman's secretary
as Moon-gi
as Secretary
as Grandmother
as Reporter
as Reporter
as Crown prince
as Reporter