After a person related to her husband murder appears, Diana Ramírez returns to investigate as a private detective, taking the case of a decorated military who is supposed to have died as a coward.
The dead body of a woman is found on a park, and the murder indicates a serial killer called "The Butcher" has returned. He always kills three women before disappearing, so Ramírez aids the police to trap him before he fades again.
After learning the true identity of "El Fantasma" Ramírez quest for revenge continues, and the stakes couldn't be higher after she is evicted from her home and her son gets kidnapped.
