The legal battle between Jack and Skellet over the Mermaid Yard hots up. Tom adapts his boat designs to appease Jack while Charles and Ken's plans for the marina development forge ahead. Charles seduces Lynne and learns of Tom and Avril's affair. Jan receives a business offer from Claude Dupont and a personal offer from Ken. Kate invests in a racehorse. Polly interferes in her absent daughter's life.