After surviving a tragic accident, sixteen-year-old Callie McPhee wakes up from a coma with knowledge of the afterlife where she met Thatcher, the spirit who protected her, and can help her save the people she loves from the menace of evil spirits.

Eleven-year-old tomboy Livie is sure that she is responsible for the accident that has put her mother into a coma, so, trying to make amends, she travels through the Louisiana swamps to get a spell that will make her mother well again.

While in a coma following an automobile accident that killed her parents and younger brother, seventeen-year-old Mia, a gifted cellist, weighs whether to live with her grief or join her family in death. "In a single moment, everything changes. Seventeen-year-old Mia has no memory of the accident; she can only recall riding along the snow-wet Oregon road with her family. Then, in a blink, she finds herself watching as her own damaged body is taken...

When Petula becomes deathly ill, her sister Scarlet seeks help from former classmate Charlotte, for whom the afterlife has become burdensome, leaving her just as insecure and isolated as she was while she was alive.

Gavin tries to enlist the help of selkies--seal people--to communicate with his comatose grandfather.