You never know if the people sitting next to you are killers or just people sitting next to you.
Meet the Carlsons. They're your typical, fun-loving married couple on vacation. They're charming, intelligent, and hospitable. That's how they turn you into a victim.
The Carlsons are defacing San Francisco's beloved tourist attractions with body parts. SFPD desperately needs help and reaches out to the FBI. Agent Abby Kane quickly draws a...