This movies is about a single mother that writes a parenting blog. She befriends Emily who is a mysterious upper-class woman whose child is at the same elementary school. Emily then goes missing. Stephanie finds this interesting and investigates further. What a super cast: Anna Kendrick as Stephanie Smothers, Ian Ho as Nicky Nelson, Joshua Satine as Miles Smothers, Glenda Braganza as Mrs. Kerry, Andrew Rannells as Darren, Kelly Mccormack as Stacy, Aparna Nancherla as Sona, Jiah Mavji as Sona's Daughter, Ava Laframboise as Lulu, Blake Lively as Emily Nelson, Henry Golding as Sean Townsend, Dustin Milligan as Chris, Danielle Bourgon as Grace (Stephanie's Mom), Gia Sandhu as Valerie and Lila Yee as Margaret (Sean's Mom).