There was a man named Siwon who is always making many Girl's Cry until he meet Yoona .He Likes Yoona and Yoona Accept Him .Siwon meet Yoona's Bestfriend Named Tiffany .Siwon became Close with Tiffany until Tiffany fall in love to him .Tiffany has cousin named Yuri .Tiffany introduced Siwon to Yuri and After Many Days Passed,Yuri fall in love to Siwon .Siwon's Mother is Died .His Father get him a Fiance so he will not make many girl's cry but Siwon is not ready to marry his Fiance named Sooyoung .After Many Days Passed ,Yoona finally knows that Siwon has a Lot of Girlfriend .She was shocked when she know that Tiffany is one of Siwon's Girlfriend .She became angry and she was break up with Siwon .Siwon loves Yoona .He tries to apologize to Yoona but it's too late ,Yoona's Childhood Friend Come from States named Jang Keun Seuk .Yoona said to Siwon that if he really loves her ,She will let her became happy with her new boyfriend .Siwon let Yoona because he loves her ,Tiffany finally know too that her cousin Yuri is also one of Siwon's Girlfriend so they became angry to each other .Yuri and Tiffany want  Siwn to Choose on Them but Siwon can't because if he choose the one ,The other one will became sad .Siwon decide to think about who is his true love ,Tiffany or Yuri .Siwon live alone in his house .Siwon's father go to States to work on their own company .Siwon's Fiance named Sooyoung live with Siwon in Siwon's House .Siwon didn't like Sooyoung but Sooyoung really loves him .Sooyoung do everything just to get Siwon .AFTER 1 YEAR ,Sooyoung give up because she realized that Siwon really hate her .Siwon decision is complete ,He will not choose to Yuri and Tiffany because he really loves Yoona ,He plan to go to Yoona and get her from Jang Keun Seuk but is it late .Siwon see Yoona and Jang Keun Seuk in the Church .He didn't let Jang Keun Seuk .They both Fight and have a Horse Racing .While Siwon is Riding in the Horse ,Siwon fall in the horse and his Head pumped in the Big Rock ,Jang Keun Seuk finally go in the Finish Line and he wins ,He see Yoona not Happy that he wins ,Yoona looking somewhere ,Yoona thinking where Siwon Go ,Siwon accident ,After 1 Hour ,Jang Keun Seuk Get Yoona and They Leave .At Night ,Siwon didn't back in his house ,Tiffany and Yuri go to the Horse Racing Area .They see Siwon has a full of Blood so they bring Siwon in the Hospital ,Yuri Leave Siwon to Tiffany because she will buy food ,After she Leave ,Siwon Awake and he has an Amnesia .Siwon think that Tiffany is his Girlfriend and he didn't know who is Yoona ,Yuri ,Jang Keun Seuk and Sooyoung ,He only know his Family and Tiffany .Tiffany make Siwon believe to her .

Did Siwon Finally Marry Tiffany ? Did Yoona go back to Siwon ? How About Yuri ?