After waking up on a mysterious train, Tim Drake teams with two familiar heroes to locate an elusive bridge back to the land of the living. Meanwhile, Rachel grapples with her own powers in a desperate attempt to resurrect Donna.
Dick Grayson and Rachel Roth, a special young girl possessed by a strange darkness, get embroiled in a conspiracy that could bring Hell on Earth. Joining them along the way are the hot-headed Starfire and loveable Beast Boy. Together they become a surrogate family and team of heroes.