Rabbit Hole

"Ten years ago, Theodora 'Teddy' Angstrom's older sister Angie disappeared. Her case remains unsolved. Now--on the anniversary of Angie's disappearance--Teddy's father Mark has killed himself. Unbeknownst to Mark's family, he had been actively investigating conspiracy theories sourced from a Reddit community of true crime fans fixated on Angie, and Teddy soon finds herself falling down that same rabbit hole. After all, if hope dies last, Angie could still be alive. Teddy's burgeoning investigation quickly gets her in hot water with everyone from her frustrated colleagues at the pretentious high school where she teaches English, to her middle-aged gun nut boyfriend and her long-lost half-brother"--