《癥結 Crux》 「你或許會消失在我身邊，但永不會消失在我心裡。」 在大賽快到的密集練習中，建豪發現自己第一名的成績都是宇傑讓出來的，在一次練習結束後，建豪和宇傑發生爭吵，建豪發生意外溺水身亡...... "You might disappear by my side,but will never disappear in my heart" In the coming contest intensive exercise,Jian-hao found his first results are let out Yu-jie, After the end of an exercise,Jian-hao and Yu-jie have quarrel,Jian-hao has an accidental drowning...