The LT-21 virus hits France and begins to spread around the world. He will not make a single death. But are we still quite alive when we have forgotten everything? Because infected patients develop total retrograde amnesia. Asia and Gabriel, a couple of doctors, are doing everything to stop the epidemic and protect patients detained in a hospital under Army surveillance. By helping an infected young boy, Gabriel gets sick. Soon he will have forgotten everything about his identity and his love story with Asia. And when Asia is exfiltrated against her will on a mysterious island guarded by the military, she thinks she can never find the man she loves. On this island, the secret base of Operation Heredis, handpicked intellectuals were sheltered from the virus. The goal: to preserve their memory to prepare the World after. A World where nothing would change, dominated by the powerful. What if forgetting everything was an opportunity for a new start for humanity? This is the thesis defended by a group of resistance fighters, La Métanoïa, determined to let the virus run and do its work...