After Darby Harper suffered a near-death experience as a child, she gained the ability to see ghosts. To combat the existential boredom of high school, she runs a side business counseling local spirits in her spare time. When an unexpected occurrence happens between Darby and Capri, the most popular girl at her high school, Darby reluctantly agrees to help her and in the process learns how to fit in with the living world again.

An aspiring musician agrees to a marriage of convenience with a soon-to-deploy Marine, but a tragedy soon turns their fake relationship all too real.

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.

As kids vanish throughout town, a group of outcasts must face their biggest fears — and a murderous, terrifying and seemingly invincible clown.