Morir revolves around the couple Luis and Marta, whose lives are paralyzed by the outbreak of a disease that is accompanied by guilt, lies and fear, testing the stability and love between them.

Cesar is 'the boss', the one everyone hates, the one some flatter and the one nobody tells the truth; the great successful businessman is on the edge of the precipice. One night his actions crumble down, his partners betray him and his wife kicks him out of the house. Entrenched in his office, he tries relentlessly to recover his company and his life. But he will not do it alone, César will find a very special ally, Ariana, the cleaner of the night shift.