"Working on a television taping to promote the Parke County Covered Bridge Festival, the Skinny-Dipping Grandmas decide to use their access to Roseville Bridge to cross #39 off Charlotte's bucket list: Be a Sexy Calendar Girl. But the photo shoot is interrupted by gunshots and Francine's cousin William stumbling down the riverbank followed by a man with a gun. William sustains life-threatening injuries, but is it attempted homicide? Francine and Charlotte go into detective mode to uncover the secret William knew about the shooter." -- Back cover.