Raquel's longtime crush on her next-door neighbor turns into something more when he starts developing feelings for her, despite his family's objections.

Diego wants to separate from his wife, Lucía, but he doesn't know how to tell her. He is fed up with her neuroses and constant complaints about him, and he has long since lost the spark that made him fall in love. Unable to say it to her face, he turns to Cuervo Flores, a famous seducer "from before", who will try to make Lucía fall in love so that she will be the one to end her marriage.

Professor Biondi is a depressed scientist. After his wife's death, he lives isolated from the world in the Nevada desert, near Area 51. He supposedly works on a top-secret project for the US government, but in actuality, he spends his days on the couch, listening to the sound of the Universe. His only contact with the outside world is Stella, who organizes alien-themed weddings for tourists on the prowl for extra-terrestrials. One day the Professor receives a message from Naples: his dying brother is entrusting him with his two children, so that they may live with him in America.

After a year of long-distance, Raquel and Ares reunite on a steamy beach trip. Faced with fresh flirtations and insecurities, will their love prevail?

After the events of the summer, Ares and Raquel they don't see a way forward in their relationship and decide to go separate ways. But when they meet again in the winter in Barcelona, the love and desire they feel for each other is undeniable. Will they be able to find a way to get back together?