Time will tell

"Four teens have dug up the time capsule that their parents buried in 1986 and never bothered to recover. But in addition to the expected ephemera of mixtapes, Walkmans, photographs, letters, toys, and assorted junk, Elayah, Liam, Marcie, and Jorja discover something sinister: a hunting knife stained with blood and wrapped with a note. "I'm sorry. I didn't mean to kill anyone." As the action dramatically alternates between the present day and 198...