It's the mid-1960s, and Jimmy Meadows should be on top of the world. His band's most recent album just went gold, and they're riding a wave to international fame. But Jimmy is driven by only one thing: where to get his next fix. With his bandmates at the end of their ropes and his life falling apart, Jimmy thinks he may be finished, until a friend tells him about a controversial method deep in the jungles of South America that can help him kick his addiction for good. But is clean living actually in Jimmy's future, or will he instead unleash horrors beyond his wildest nightmares?