You Should Have Left is a 2020 American psychological horror film written and directed by David Koepp, based on the 2017 book of the same name by Daniel Kehlmann. It stars Kevin Bacon and Amanda Seyfried. Jason Blum served as a producer through his Blumhouse Productions banner.
In an effort to repair their relationship, a couple books a vacation in the countryside for themselves and their daughter. What starts as a perfect retreat begins to fall apart as one loses their grip on reality, and a sinister force tries to tear them apart.