Death hangs over Ichabod’s and Katrina’s heads as they race to put a stop to the suspicious fatalities befalling the residents of Sleepy Hollow. Their investigation turns to the townsfolk, and — everyone is a suspect — from the widowers of the deceased to the local apothecary owner. But the pair dig up nothing but dead ends until a possessed gardener leads them to...

The Tree of the Dead! The cursed ground where Lady Van Tassel resurrected the malevolent Headless Horseman, and the very same place spirits have been showing Lotte over and over again in her visions. It seems the tree is the root of Sleepy Hollow’s problems, but it may also hold the answers Ichabod and Katrina seek.