In the thrilling TV show "4400 (2021)," a mysterious event brings back 4400 missing people who disappeared over the years, each with no memory of their time away. As the returnees attempt to reintegrate into society, they discover they possess strange new abilities that set them apart. The show follows a diverse group of returnees as they navigate the challenges of their newfound powers while unraveling the mystery behind their disappearance and sudden return. With tensions rising between the returnees and the world they left behind, alliances are tested, secrets are unearthed, and unexpected connections are forged. As the returnees grapple with their past and present, they must band together to uncover the truth behind their extraordinary circumstances and protect themselves from those who seek to exploit them. "4400 (2021)" is a gripping sci-fi drama filled with suspense, intrigue, and heart-pounding moments that will keep viewers on the edge of their seats.