Twice as Dead

Linda Stone asks Nick and Sylvie for help. Her husband who died two years ago, reappears and is killed. His name wasn't Stone, it was Streeter. Linda realizes that her husband had feigned his death two years ago and took a new name. A clue leads Nick and Sylvie to a yacht club. They posed as a married couple and Sylvie teases him by making as if Nick is very silly. Nick gets revenge while they are at a clinic. But suddenly Sylvie is in danger.