Shadows

When a social worker is sent to check on a traumatized elderly woman whose family have moved in at the site of a notorious murder case, she unwittingly unleashes a cycle of terror that transmits via its victims.

Four years after defeating The Grabber, Finney Blake is struggling with life after captivity. When his younger sister Gwen begins receiving calls in her dreams from the Black Phone and seeing disturbing visions of three boys being stalked at a winter camp, the siblings become determined to solve the mystery and confront a killer who has grown more powerful in death and more significant to them than either could imagine.

In 1979, a group of college students find a Sumerian Book of the Dead in an old wilderness cabin they've rented for a weekend getaway.