Taking place during Mission Impossible 5. Ethan Hunt out in the cold, a new threat -- called the Syndicate -- soon emerges. The Syndicate is a network of highly skilled operatives who are dedicated to establishing a new world order via an escalating series of terrorist attacks. Faced with what may be the most impossible mission yet, Ethan Hunt gathers his team and joins forces with Ilsa Faust, a disavowed British agent who is working for the Syndicate, when really she also is against the Syndicate and is undercover fighting the Syndicate from the inside in hopes of being re-avowed. Sadie Miller, the youngest member of Ethans team, helps him and the rest to try to stop The Syndicate and bring back the IMF, which had recruited her and trained her at a young age. Ethan cares for Sadie like family, along with the rest of his team. Ilsa Faust will take a motherly interest in Sadie. Becoming the mother figure Sadie never had. Ilsa wants to protect Sadie.