A collection of 24 films that take a look at the dark side of the festive season. 24 international directors with the most diverse ideas and styles; linked by short animated segments that deal with the Advent calendar itself.

Zone of the Dead, also known as Apocalypse of the Dead (Zona Mrtvih in Serbian) is a 2009 Serbian horror film. A police-escorted prisoner transport supervised by Interpol sets off to Belgrade. The route leads the transport through Pancevo, where they encounter an ecological disaster and infected people who are trying to kill them. Interpol agents Mortimer Reyes and Mina Milius soon realize that their only chance for escape from the zombie hordes lies in allying with the dangerous, mysterious prisoner.

Two young American women go on a Mediterranean vacation and uncover the watery lair of a killer mermaid hidden beneath an abandoned military fortress.