Years ago, in college, Owen, a man on the brink of suicide after losing his wife and baby daughter in a brutal drunk-driving accident, and Chloe, a dispassionate academic who believes in scientific research as a means to make the world a better place, took part in a ritualistic act in the woods. After, neither of them can remember exactly what happened that night, but darkness has since haunted them both.Now, as adults living separate lives, the once...