Symbologist Finnian is certain the kaleidoscopic windows of St. Jude’s hide a centuries-old secret. But Serafina Vetrani, the fiery glass artist whose family crafted them, sees only a legacy under siege. When a violent attempt to steal a panel proves Finnian's dangerous theory right, they must unite his knowledge and her artistry to unravel the stained-glass cipher before a shadowy organization shatters her family's history forever.