Watch Limbus Full Movie Free Online 123Movies. "Limbus" is a surreal thriller set in the afterlife. It's the story of four cult members after a mass suicide. Stuck in purgatory, they must search for the secrets beyond their existence. They travel through their pasts to unravel the future only to find out that only one can make it to the other side. It's a journey through the darkest memories that define a person and send them over the edge.