Brought together by circumstance, the three teams of scavengers comb an abandoned mineshaft teeming with danger in search of relics and valuables to bring back. But while some of the crews begin to open up about their past and get closer, Siang is plummeting into the dark depths after barely escaping Ira's revenge. The weight of past mistakes and bad blood threaten to bring the world down on top of them-- that is, if anyone's still alive by the time it all comes crashing down...