Rojas leaves the hospital after receiving a brutal beating in which Carrasco also secretly participated. The attempt to intimidate Rojas only reinforces his need to continue investigating, but his theory crumbles when the innocence of the driver of La Ponderosa, whom he considered the main suspect, is proven

Rojas is convinced that he has discovered the identity of the psychopath but he has no evidence. He travels to the murderer's hometown, where he discovers the origin of his violent instincts.