Deep in the heart of Jakarta's slums lies an impenetrable multi-level safe house for the world's most dangerous killers and gangsters. Until now, the rundown apartment block has been considered untouchable to even the bravest of police.

Cloaked under the cover of pre-dawn darkness, an elite swat team is tasked with raiding the safe house in order to take down the notorious drug lord that runs it. But when their cover is blown and news of their assault reaches the drug lord, all the building's exits are blocked. Stranded on the 6th floor with no way out, the unit must fight their way through the city's worst to survive...