Sinopis
Damián Córcega is the seventh son, thus a Lobizon, condemned to kill innocent people every Friday night. Aware of his curse, he runs away from his native Misiones to Buenos Aires searching for a mythical shaman, who is said to be able to cure him.
Once in the big city, he manages to use his killer instinct to kill evil people instead of innocents, which gets him into trouble with the Devil, creator of Lobizons. At the same time, the police investigate the murders that look like the work of a “street avenger”, but another character appears, an inspector, Alfredo Calvo, who follows the trail of the Lobizon and a journalist, Daniela Díaz, who has seen him, but nobody believes her, and she becomes obsessed with him.