When a housekeeper cleans a Las Vegas hotel room, she finds some irregularities that might be able to shed light on a missing gambler who vanishes with $822 on the poker table - and an unidentified dead body lying in a stairwell lying one floor below her.

A man goes to Singapore on a shopping spree. A mother and son reunite in Thailand for a brief holiday. No one comes home. When expertly carved body parts start showing up, police know there's a serial killer on the loose. In these densely populated tourist destinations, police fear the perpetrator will disappear into the crowd and strike again. They will need both skill and luck to catch the butcher.