Alejandro Warren is an irresponsible and immature college student who, on a whim of fate, obtained the Muladhara gem, which gave him incredible abilities and powers. Dividing his time between study, friends, Victoria's jealousy and the fight against injustice, Xero will begin a path towards the true origin of the gem.
A satanic ritual is carried out in the Olivos cemetery by a mysterious hooded man. What seemed like just another meeting of horror fans ends up becoming a real zombie walk through the city. Xero intercepts them on Avenida General Paz and tries to stop them with the help of an unexpected ally...