Ever since her mum died, María has taken care of her father and her siblings. That's why her father's announcement of marriage to his nurse brings María's world crashing down around her. At the age of 35, she'll have to change her fate.

Eva is not satisfied with her life. In an act of faith, she decides to stay in Madrid over the summer, when all the other locals leave. August offers her a chance to start from scratch.

A neurotic scientist tries to balance his love story with a famous top model with his obsession about that Laws of the Thermodynamics rule their relation.

Mario and Olivia fall madly in love. One afternoon, considering that every relationship ends, they end up breaking up. During the big fight, Miamor, the street cat adopted by both, escapes and disappears, like the love that united them.

Emma wakes up in her thirties to find herself a loser when her best friend Lola asks her to be the guardian of her about to be born child.