Their children bring mommy vlogger Stephanie (Anna Kendrick) and wealthy socialite Emily (Blake Lively) together and they rapidly become good friends.

Then Emily disappears and Stephanie decides to find out what happened to her.

A Simple Favor opens on September 14th.

A Simple Favor – starring Anna Kendrick, Blake Lively, Henry Golding, Andrew Rannells, Linda Cardellini, Jean Smart, and Rupert Friend.

A SIMPLE FAVOR, directed by Paul Feig, centres around Stephanie (Anna Kendrick), a mommy vlogger who seeks to uncover the truth behind her best friend Emily’s (Blake Lively) sudden disappearance from their small town. Stephanie is joined by Emily’s husband Sean (Henry Golding) in this stylish thriller filled with twists and betrayals, secrets and revelations, love and loyalty, murder and revenge.