一對情侶為了享受殺人快感,隨機殺害無辜陌生人。無差別攻擊讓兩人理念漸行漸遠,逐漸產生摩擦,一言不合之下誰會成為下個受害者?究竟誰能阻止悲劇發生?。据说,从同一个卵子产生的同卵双胞胎将共享一条纽带,就好像他们是同一个人一样。但不是同卵双胞胎“Sprite”和“zee”。尽管从出生起就走着和运动员一样的路线,但两人都想成为唯一! It is said that identical twins who are produced from the same egg will share a bond as if they were the same person. But not with "Sprite" and "Zee", the identical twins. Despite following the same route as an athlete from birth, both want to be the only one!。