It's been five years since high schooler Ronnie Chase died in a tragic accident. But the shock of his death is reignited when his ex-girlfriend, Melissa (Qualley), visits Ronnie's mother (Ryan) and brother (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 suspence.