As if moving to a new country to live with her parents and hiding her sexuality from them isn’t stressful enough, Jessamyn Teoh is hearing a voice in her head. It turns out it’s the ghost of her Ah Ma, who Jessamyn only knew when she was very little. Ah Ma was a medium who spoke for the Black Water Sister in life and has now decided to use Jessamyn as a vessel to get revenge on a gangster who crossed the god. Can Jessamyn wrestle her life away from Ah Ma?

Old Edinburgh is the perfect place for ghosts to hang out, which means a lot of business for Ropa, a ghostalker. She works as a go-between for the living and the dead, when they want to communicate. But now Ropa is hearing whispers of an evil that steals the life out of children and leaves them shadows of their former selves, and she feels obligated to use her talent to stop it.

Carlos Delacruz isn’t a ghost, but he’s not not a ghost, either. He’s an inbetweener, half resurrected with no memory of his life or his death. And as an agent for New York’s Council of the Dead, Carlos hunts rogue ghosts, eliminating them before they cause trouble. But now a sorcerer inbetweener is causing trouble, having summoned creatures taking out all kinds of spirits, good and bad, and the key to finding and stopping him might lie in the truth of Carlo’s own past, if only he can remember.

And last, but not least, in this historical fantasy, a special force of spiritualists works to help the war effort during WWI. Ginger Stuyvesant is a medium who talks to the ghosts of soldiers who have just died to help pass along useful information about the troop movements. But Ginger discovers there’s a traitor among her group, and soon the spiritualists are being specifically targeted for elimination. Can she find the leak to save herself and others?