It's been five years since high school student Ronnie Chase died in a tragic accident but the shock of his death is reignited when his ex-girlfriend, Melissa (Margaret Qualley), visits Ronnie's mother (Amy Ryan) and brother (Nick Robinson) and tells them she believes she's pregnant with Ronnie's child. Ronnie's family tries to dismiss Melissa's incredible claim - and is plunged into a web of lies, fears, and unrelenting suspense.
