Mark is a young Englishman who has just arrived on the coast of Cádiz, to visit his cousin Margaret, who has organized a barbecue with her friends. After lunch, Amaro invites Mark for a ride on his boat to see the coast from the sea. Mark, without thinking, lets himself be carried away; without knowing his life is about to change forever.

The Huelva-born singer Rocío Márquez fulfills her dream of traveling to Senegal to get involved in international cooperation projects. During the trip, she composes a song that summarizes her experiences in this momentous adventure.