Following a glorious summer in New York, Mark Francis hosts a little boat affair on the Hudson before the gang go home to Chelsea. Louise and Alik are avoiding the realities of their impending separation, and their friends are pessimistic about the chances of a long-term relationship. Will the transatlantic lovebirds find a way to make it work? Stevie finds himself in another love triangle, and this time he's in the middle. Will he stay true to Billie, or will his New York girl be cast aside for Stephanie? Did Billie make the right decision in choosing Stevie over Spencer? Everything comes to a head, and it's sink or swim as the series comes to a dramatic end.