Hart Island is haunted by the spirits of the dead. It is used as a potter's field for indigenous peoples. Each grave is dug by the convicts on nearby Rikers Island. Underneath its sandy shores lie bones and death. It also holds a secret. Centuries ago, Captain Kidd himself hid his treasure on Hart Island. When a group of Rikers convicts stumbles on the first clue to its location, they find themselves in a dangerous race for the gold...