A group of children has suffered a serious accident on the school bus where they were being transported out of the city. In a hospital full of parents, Jaime, a widowed man, waits for his daughter, Alma, to arrive from the scene of the incident. That same night, after a terrible wait, the injured children arrived at the scene to be treated. Jaime searches among all of them for his daughter and discovers that she did not survive. Incredulous by the situation, Jaime waits for Alma to open his eyes and return to life, but when he finally accepts that this will never happen, desperate, he begins a dangerous journey through Tegucigalpa with the desire to release his hate towards humanity and let himself be carried away by his uncontrollable thirst for blood.