Urban Explorers

Synopsis

Four international urban explorers decide to hire a guide, Kris, to take them around the maze of tunnels underneath Berlin. However, soon Kris has a bad fall and gets knocked out. Frantically, the two girls in the group return to get help while Denis stays behind with the guide. Suddenly, out of nowhere, a German border guard appears and offers to help, which Denis accepts. However, he soon realises that that was the biggest mistake of his life.