Rick thought being a sheriff's deputy in the small New Mexico town of Ultima would be a quiet job--but that was before he met Mrs. Pendergast, the local busybody who fancies herself an amateur sleuth. When Mrs. P sees a tweet asking for help on her new smartphone, she's determined to find out if the "tweep" is okay; and it's all Rick and her granddaughter, Sylvie, can do to keep up with her!