In a near future, normal life on Earth has been decimated. Paul and his two sons, Thomas and Joseph, have been living a half-life – tranquility by day and torment by night. Every night, after the sun sets, they face the unrelenting attacks of a mysterious and violent evil. One day, when Thomas doesn't return home before sundown, Paul must leave the safety of their fortified farm to find him. A nightmarish battle ensues that forces the family to execute a desperate plan to survive.
When renowned crime novelist Harlan Thrombey is found dead at his estate just after his 85th birthday, the inquisitive and debonair Detective Benoit Blanc is mysteriously enlisted to investigate. From Harlan's dysfunctional family to his devoted staff, Blanc sifts through a web of red herrings and self-serving lies to uncover the truth behind Harlan's untimely death.
27 years after overcoming the malevolent supernatural entity Pennywise, the former members of the Losers' Club, who have grown up and moved away from Derry, are brought back together by a devastating phone call.