Sex and Lucia (Spanish: Lucía y el sexo) is a 2001 Spanish drama film written and directed by Julio Medem, and starring Paz Vega and Tristán Ulloa,[2][3] alongside Najwa Nimri, Daniel Freire, Javier Cámara, Silvia Llanos and Elena Anaya.

She receives a phone call from the police while finding a suicide note and is so afraid of bad news that she hangs up, assuming the worst.

Six years earlier, Lorenzo is having casual sex in the ocean on a bright moon-lit night with a beautiful married woman he had just met named Elena.

Later, as Lorenzo talks with his literary agent at a restaurant, discussing his writer's block, Lucía catches his attention as he gets up from his table to get cigarettes.

Lorenzo learns he has a daughter as a result of his encounter with Elena and begins to visit the child outside of her school, meeting her babysitter Belén.

He anonymously contacts Elena, who has moved to the island to find solace and recall better days and provides her a nice story about a beautiful child that loves to swim in the sea, to cheer her spirits.

But when Lucía mentions Lorenzo by name, and his past visit to the island long ago, Elena deduces the connection.

After both women discover that Lorenzo isn't dead, the three characters cope with and finally understand the entanglements of their interwoven relationships.