Para arreglar sus relaciones, cuatro parejas hacen un retiro espiritual en un centro turístico del Caribe, donde tentaciones y percances le añaden sal a las heridas.

Emma, a cook who lives in the United States with her partner, is forced to return to Spain. She rescues a dog which leads her to face Jack and Daniel, who record torture and dog fights to sell on the deep web. Bloodthirsty revenge ensues.