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?

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?

Laura has recently started working in the Barcelona subway. She has been assigned the old and quiet Rocafort station, but it won't be long before she discovers that this stop harbors a legend that will begin to haunt her: many people have died there in strange circumstances over the years and no one seems to be interested in knowing the truth.