Un agent du FBI est forcé de faire équipe avec le voleur d'art le plus recherché de la planète pour coincer une insaisissable criminelle qui a toujours un coup d'avance.
This year, Sean offers his smart home to be used for his annual vacation getaway with his college friends. Once everyone arrives and has settled in, they soon find out that they have actually been locked inside, by the home's virtual assistant, Simon. Everyone becomes terrified when they find out that the only way they can escape is by playing Simon's twisted games.