Casey Miller and Lexie Wentworth visit Cornelius Williamson, elderly owner of the world-famous Salt Marsh Winery, for a history project for school. During the interviews, Casey and Lexie are introduced to some odd characters who work for him. A perplexing puzzle unfolds as they find themselves in the middle of a conspiracy to take control of the old man's estate. They find that they are being used by the man they trust to carry out another nefarious scheme involving the world's oldest wine pot. After Casey survives a savage beating, the thrilling drama ends in a tragedy that will change Casey's and Lexie's life forever.