About the underwater eruption which led to the formation of the island of Surtsey (1963 & 1966). The film is partly based on an older film about the first half of the eruption (Surtur fer sunnan, Ó.K. 65)
Five friends head out to rural Texas to visit the grave of a grandfather. On the way, they stumble across what appears to be a deserted house, only to discover something sinister within.
Crafty railroad worker Bart becomes the first Black sheriff of Rock Ridge, a frontier town about to be destroyed in order to make way for a new railroad.
On a beach in Nice, François meets the mysterious Peggy and falls in love with her. Following her to a villa, he meets Marc, a lawyer who has a strange relationship with the girl.