After another deadly shark attack, Ellen Brody decides she has had enough of New England's Amity Island and moves to the Caribbean to join her son, Michael, and his family. But a great white shark has followed her there, hungry for more lives.

Sequel to Sjunde himlen (1956). Dr. Lovisa Sundelius (Sickan Carlsson) and radio host Willy Lorens (Hasse Ekman) have been happily married for a couple of years, but when Willy becomes a TV host with cutie Suss (Lena Granhagen) by his side, things start to fall apart