After attending by chance a woman in the street, Fran decides to ask for a place in the SAMUR.
Mariano is supposed to be a professional that has been working in the hospital for many years, but he was never seen before season 4.
Gonzalo mentions Diana and Mario and his death ends their plot.
Cristina and Aimé talk about their children and the possibility of joying them because have a similar age, but Hugo and Nuria never shared a scene in the series.