It all start when Jessica and kyuhyun dating..... It was the greatest moment they ever had.... One time kyuhyun and Jessica went to a restaurant..... Kyuhyun meet a waitress who not that pretty like Jessica.... But he fall in love with her... Kyuhyun didn't know that she is a friend of Jessica... Her name is seohyun.... After that kyuhyun and Jessica relationship screw up.... Kyuhyun never call or massage Jessica..... Jessica always call seohyun but seohyun always said that she is with a guy and Jessica get very curious, Jessica always think that maybe seohyun  are with kyuhyun, because they always tell Jessica the same reason.... What happen with Jessica know that kyuhyun and seohyun are together behind Jessica...