After learning that the residents of the retirement home where he volunteers are secretly monsters and have stolen what appears to be his life essence, middle-schooler Chris recruits his friends to help get it back.

"Sometimes bad things happen to good people, so good people have to do bad things. Our Queen of Twists, bestselling author of Daisy Darker and Rock Paper Scissors Alice Feeney, returns with another thrilling mystery filled with drama and her trademark surprises. Twenty years after a baby is stolen from a stroller, a woman is murdered in a care home. The two crimes are somehow linked, and a good bad girl may be the key to discovering the truth. Edith...

Ida Mae Babbit has done her community service and is a reformed woman - no more law-breaking for her. But when Arlette's granddaughter Eden discovers a mystery in a fancy nursing home, Ida Mae - with the perfect excuse of a broken wrist and a broken ankle - checks herself into the place. After all, it is for the greater good. Soon she's buzzing around in her motorized wheelchair, questioning the residents and swiping files from the office. She's bound...