On Halloween, a group of teenage students meet in the woods near Sally in the Wood, a road steeped in local lore and rumored to be haunted by the ghost of a murdered girl. By the end of the night, one student will be dead. Rachel, the school guidance counselor, is trying to keep a handle on her increasingly distant teenaged daughter, Ellie, while students and parents panic and mourn. Her ex-husband and detective Ben, dealing with a personal crisis of his own, has concerns about his daughter’s safety as he investigates the death. Meanwhile, Ellie is keeping secrets from both her parents, including one about where she was that night.

Max and Annie Kingsley have left the London rat race with their 12-year-old son to set up a glamping site in the wilds of Cornwall. Eager for a dry run ahead of their opening, they invite three old university friends and their families for a long-needed reunion. But the festivities soon go awry as tensions arise between the children (and subsequently their parents), explosive secrets come to light, and a sudden storm moves in, cutting them off from help as one in the group disappears. Moving between the police investigation, a hospital room and the catastrophic weekend, THE SEARCH PARTY is about the tenuous bonds of friendship and the lengths parents will go to protect their children.

Still grieving the death of her prematurely delivered infant, Lila finds a welcome distraction in renovating a country house she's recently inherited. She finds herself drawn into the story of a group of idealistic university grads from 30 years before, who'd thrown off the shackles of bourgeois city life. When the fate of the group is left eerily unclear, Lila turns her attention to untangling a web of secrets to uncover the shocking truth of what happened that fateful year.