An ex-soldier, a teen and a cop collide in New Orleans as they hunt for the source behind a dangerous new pill that grants users temporary superpowers.

In 1988, young sisters Katie and Kristi befriend an invisible entity who resides in their home.

Nev, a 24-year-old New York-based photographer, has no idea what he’s in for when Abby, an eight-year-old girl from rural Michigan, ...