'Please Tell Me' follows child therapist Robin Hart as she navigates her patient Kathy Stone's silent world after the trauma of abduction. Kathy communicates through play therapy within a Victorian dollhouse, reenacting unsolved murders with alarming accuracy. As toys within the dollhouse meet violent ends, Robin's therapy sessions reveal not just past horrors, but grim predictions of future crimes. Robin must decipher the clues hidden in Kathy's play to prevent a serial killer from claiming more lives, even as she risks becoming the next target.