Jen, who is finally pregnant after several rounds of fertility treatment, arrives in Napa to visit her in-laws with her husband Spencer, but her happy moment is shattered when a family member is found dead and she overhears Spencer lying to police about where he was that night. Things go from bad to worse when she finds out the man who died was trying to get her a message: her unborn baby isn't biologically her husband's. On a mission to discover who the father is, she discovers the donor was the man who was murdered... and that there's a chance her husband is behind it all. Is she in danger, too?