After kissing at the Belgian coast, Hélène and Sylvie find ruts in their road to eternal bliss. In this sequel to Underwater Vibes, Hélène struggles to avoid Sylvie, her sexy Greek swimming coach. Attempting to shun her deepest emotions to save her marriage, inner turmoil makes Hélène react in bizarre, self-destructive ways. An intimate dinner turns sour as Sylvie's tempting ex lurks nearby. When Sylvie heads to the airport with a mysterious, gorgeous woman, and a psychic reveals unexpected news, Hélène must face up to her feelings or risk losing Sylvie forever.