Charming Diana Stempleton, a student at the University of Michigan, accompanies her father, a famous scientist studying marine fauna, on his expedition during the holidays. Their small research vessel plows the Pacific Ocean, searching for rare specimens of fish and animals. But one late evening, after a storm, a strange man gets on board - Siegfried Paseo. How he ended up in the open ocean at such a considerable distance from the coast, even he himself cannot explain, or maybe he simply does not want to explain... There is no doubt that this unusually handsome, strong young man is shrouded in mystery. However, it is also clear that Diana and Siegfried fall in love with each other at first sight...