Tsukasa left Japan for New York and realizes Tsukushi has not talked to him for one year. The other members of F4 persuade Tsukushi to meet Tsukasa there for Christmas, only to discover that he has become a completely different person. Later, Tsukasa's mother announces that they will return to Japan to celebrate his birthday party. Tsukasa gets engaged to the daughter of heir Okawahara, leaving Tsukushi in distress.
One year later... At last, it returns!! This time the stage is New York!! New developments in love and friendship full of ups and downs... –-But wasn't it supposed to be a happy ending!?