Nine high school friends have a five-year reunion camping in a forest. They all have secrets. Their old science teacher straps a time bomb to each of them. Killing another gives one their time. Last one lives.

When a college student unfriends a mysterious girl online, she finds herself fighting a demonic presence that wants to make her lonely by killing her closest friends.

Factual drama exploring the truth behind the space shuttle Challenger's 1986 disintegration.