Dreaming about the sea can be fascinating: discovering it has no equal...

A journey above and below the sea, portraying the charm and diversity of the waters of northwest Mexico. A team of urban documentary filmmakers and divers set sail for several weeks on a boat, The Sandman, and discover the unexplored: surprisingly large and friendly creatures, waters teeming with life, beauty, and movement concentrated in natural reserves of the Gulf of California and the Pacific, unique in the world.