Shellet noses around the marina and later concocts a potentially deadly surprise for Jack. Avril finds Frere an unwelcome visitor in her home, and he's also warned away by Tom. Jan bristles when Lynne volunteers to help her father safeguard The Barracuda. Avril learns about Jack's disaster at sea. Ken delays making a firm commitment to Jan and Claude's fashion venture. The CID questions Jack. Frere demands that Gerald expedite divorce proceedings. Claude and Jan disagree about Ken's jealousy. Frere envisions a development that exceeds Ken's dreams, and later, he sets a personal scheme in motion. Ken says "yes" to one partner but "no" to another. Tom discovers that two of his most precious possessions are missing.