"It's June in Boulder, Colorado, and wedding season is in full swing. Parker Valentine is excited to attend the wedding of her cousin, Emma, where in addition to celebrating the happy couple, she'll also be providing wine for the reception. But when the fussy wedding planner is found dead midway through the ceremony, Parker knows that to get the weekend back on track, she'll need to unveil a murderer. Unfortunately, there's no shortage of high tension...

A group of former and current prosecutors, law-enforcement agents, and forensic specialists re-opens a long-forgotten double-murder case only to discover evidence of a third killing and the possible implication of a local celebrity.