Ro, Sally and Arthur are attending their 20 year high school reunion held at a hotel in town. As with all high school reunions, there is a diverse mix of classmates: who want to retain their old high school glory; that used to date - many first loves - and that moved on to other life partners/spouses, which includes Ro with her first boyfriend, Parker Stevens, in attendance, and some who may want that first love rekindled; who surprisingly built friendships in the intervening time having not been friends in high school; and with a pending lawsuit of one against another thrown in for good measure. With all these behind the scenes issues, Ro, Nick and Arthur discover a dead body in the hotel pool during the reunion proceedings, the victim one of Ro and Arthur's former classmates who they discovered was murdered, specifically stabbed with a knife which is nowhere to be found. While Arthur leads the investigation for the Lawrenceton PD, Ro, Nick, Sally, Phillip, all at the proceedings, and