A tragic accident is the starting point of Com si fos ahir. An accident, however, that has a positive effect: the reunion of some former high school classmates who, after twenty-five years, meet at the funeral of one of them.

In this new season, the actors who will face the new characters are Anna Ycobalzeta (Romina Tantull, an advertising account executive), Joan Carreras (Eudald Miralvet, son of a friend of Vicente), Anna Gracia (Irene Fontrodona, a retired history teacher), Nuria Gago (Tina Peris, a salesperson), Rita El Jebari (Mandar Maalouf, Joana's grandchildrens teacher), Martina Roura (Blanca Soto, law student), Artur Busquets (Edu Vázquez, 22-year-old computer science student and gamer), Mima Riera (Lola Carreras, Eva's roommate), Marta Millà (Elisabet Carrión, businesswoman) and Javier Beltrán (Bruno Sastre, worker and unionist at Elisabet's company).