A Las Vegas team of forensic investigators are trained to solve criminal cases by scouring the crime scene, collecting irrefutable evidence and finding the missing pieces that solve the mystery.

Rooted in the conflict between characters connected to the deity Santa Muerte and others allied with the Devil, this saga explores an exciting mix of the supernatural and the combustible reality of 1938 Los Angeles, a time and place deeply infused with Mexican-American folklore and social tension.

Fifteen years ago, five men were abducted by aliens. Only four returned. Now, these same four men have managed to capture one of the creatures who killed their friend and ruined their lives.