A man (Lace Williamson) wakes up in the night beneath a lone streetlight. Soon, he realizes that this light is the only visible illumination in the endless darkness. One by one, strange and cryptic chalk markings reveal themselves on the pavement and prove to be his only hope for safety in the increasingly dangerous environment.

A premium piano salesman has an appointment with a prestigious pianist to buy a new grand piano, but things are not what they seem.