Jennifer Shannon has a gift for finding rare treasures hidden in garage sales that she can resell at her consignment store, Rags to Riches. But her keen eye for finding valuables also gets her involved in the criminal investigations that happen at the very second-hand sales she frequents. When Jennifer's friend and self-storage facility owner Martin turns up murdered just hours after auctioning off an abandoned storage unit full of unique items to Jennifer, she is immediately pulled on the case as a key eyewitness. Working with Detective Lynwood, Jennifer helps single out a disgruntled customer as the prime suspect, while she and her business partner, Danielle, sift through boxes from the auction. As her husband Jason worries about her safety, Jennifer starts to get over her head when there is a break-in at her store and a run-in with Martin's angry wife. Then, Jennifer and Danielle discover their new merchandise contains the sparkly evidence they needed all along to nail the surprising real culprit. They must race to save a life and put their own on the line. Will they succeed before times runs out?

Jennifer Shannon has made a career of finding rare garage sale treasures to resell at the consignment store she owns with her business partner, Dani. When she finds a wedding dress that was worn on the day a groom went missing, Jennifer uses her knack for solving puzzles to investigate this unsolved cold case. After meeting the dress's original owner, Helen, and finding traces of blood on the dress, Jennifer digs deeper into the decades-old mystery with the help of Detective Lynwood, and the support of her husband, Jason. With every clue that Jennifer uncovers, she gets closer to either finding the long-missing groom, or uncovering a wedding day murder.