Over ten million passengers enjoy a Baltic cruise trip every year. The so-called Party Cruise ships has become floating night clubs where drink is abundant. But there is a down-side to all the partying -- alcohol-related crime. Kalla Fakta has gone undercover as passengers, with a hidden camera, to reveal the dark side of the Party Cruise tours.

"Kalla Fakta", TV4, Sweden. An investigative Swedish TV-show equivalent to BBC Panorama or PBS Frontline.

Läs mer om Kalla fakta på http://www.tv4.se/kallafakta