Jennifer Shannon (Lori Loughlin) has made a career of finding rare garage sale treasures toresell at the consignment store she owns with her business partner, Dani (Sarah Strange). When shefinds a wedding dress that was worn on the day a groom went missing, Jennifer uses her knackfor solving puzzles to investigate this unsolved cold case. After meeting the dress’s originalowner, Helen (Cheryl Ladd), and finding traces of blood on the dress, Jennifer digs deeper into thedecades-old mystery with the help of Detective Lynwood (Kevin O’Grady), and the support of herhusband, Jason (Steve Bacic). With every clue that Jennifer uncovers, she gets closer to eitherfinding the long-missing groom, or uncovering a wedding day murder.