It's 1968. Ian and John, two young point men in love in the midst of the Vietnam War, lead their squad in a desperate attempt to survive a botched Phoenix Mission, despite their Captain who has lost his humanity and who will use any means to win, including sacrificing the squad.

When Jade goes missing, Avery realizes it eerily mirrors a past tragedy involving the death of their friend, Mia. When Avery learns that Mia was murdered, she soon discovers someone is orchestrating events to make them relive that horrific summer.