My husband’s parents stayed with us for six months, and after they finally returned home, I went to strip the bed in the guest room. But when I lifted the mattress, what I found hidden underneath made the bl00d drain from my face.

PART 1: THE DISCOVERY UNDER THE MATTRESS
For months, I had respected my mother-in-law’s strict insistence on keeping the guest room entirely private. The morning after she moved out, I discovered she had been hiding something under that bed that was deeply unsettling.

The guest room finally smelled of fresh, empty air instead of Jacqueline’s lavender lotion or Theodore’s peppermint cologne. Only a faint, yeasty warmth lingered in the corner, a peculiar scent that I had never quite been able to place. I brushed the strange odor off because the cool autumn breeze was drifting through the window and bright sunshine hit the bare mattress.