With their journey on the Mississippi River coming to an end, the guys are each finding themselves in the fight of their lives. Gary and Eddie's battle with a competitor has turned deadly and they're going to settle the score with him once and for all. Pool hustler, Matt Mohlke, has partnered up with an old friend for what he hopes is an epic pay day. And the treasure hunters on the Picket Hastings paddleboat think they've found the big dive spot they've been looking for, but an unexpected visitor may ruin their plans. Life on the river is a war and they're all hoping to come out victorious.