Flight attendant Talia tries to find a plane full of passengers who have suddenly disappeared.

Shazi and Sarjit, a young urban exploring couple, get separated in a series of underground tunnels.

Harlan, a new admission to a 1930s children's hospital, receives a seemingly innocuous gift from a suspicious clown.

Frank, an elementary school janitor, follows the sounds of a young child running around a closed school at night.

Lina is interrogated about the brutal and possibly supernatural death of her boyfriend.

A mysterious envelope arrives at Jen's door, sending her on an increasingly dangerous hunt to discover its origin.