In 1986, Eddie and his friends are on the verge of adolescence, spending their days biking in search of adventure. The chalk men are their secret code, stick figures they draw for one another as hidden messages. But one morning, the friends find a chalk man leading them to the woods. They follow the message, only to find the dead body of a teenage girl. In 2016, Eddie is nursing a drinking problem and trying to forget his past, until one day he gets a letter containing a chalk man — the same one he and his friends saw when they found the body.

Young Jude Brighton has been missing for three days, and while the search for him is in full swing in the small town of Deer Valley, Oregon, the locals are starting to lose hope. They're well aware that the first 48 hours are critical and after that, the odds usually point to a worst-case scenario. And despite Stevie Clark's youth, he knows that, too; he's seen the cop shows. He knows what each ticking moment may mean for Jude, his cousin and best friend.

Hannah awakens to carnage, all mangled metal and shattered glass. After she was evacuated from a secluded boarding school during a snowstorm, her coach careered off the road, trapping her with a handful of survivors. They’ll need to work together to escape—with their sanity and secrets intact. Meg awakens to a gentle rocking. She’s in a cable car stranded high above snowy mountains, with five strangers and no memory of how they got on board.

To eight-year-old Bela, her family is her world. There’s Mommy, Daddo, and Grandma Ruth. But there is also Other Mommy, a malevolent entity who asks her every day: “Can I go inside your heart?” When horrifying incidents around the house signal that Other Mommy is growing tired of asking Bela the question over and over, Bela understands that unless she says yes, her family will soon pay. Other Mommy is getting restless, stronger, bolder. Only the bonds of family can keep Bela safe, but other incidents show cracks in her parents’ marriage. The safety Bela relies on is about to unravel.

It's 1994, and three stand-up comedians have embarked on a tour of smaller communities across a remote stretch of rural countryside. Dale is a forty-something comic from Chicago who's on the back half of a mediocre career and thinking about quitting the business. Rynn is a twenty-something fast-rising comedy star from Dublin with a big Hollywood break on her horizon. The third performer is a local act, a late addition to the bill who has agreed to open the shows and do all the driving. He goes by the name Hobie Huge, and he is, indeed, enormous.