After recovering consciousness in the clinic, Glass Heart has an encounter with Kaori in a mirror, which sparks a feeling in Glass Heart that her mind and body are being usurped by Kaori, creating hostility towards her heart donor. Witnessing this, Doc, the doctor, goes to Umibozu's cafe where he tells Ryo, Umibozu and Superintendent Saeko Nogami that the girl with Kaori's heart also has her memories. Meanwhile, Li Jian Qiang, the boss of Zheng Dao Hui has secretly arrived Japan and is being briefed by Mochiyama on Glass Heart's appearance in Shinjuku when Li is shot in the head by a sniper. Mochiyama recalls that Glass Heart was searching for City Hunter and meets him to warn him that the assassin is after him, hoping for them to eliminate each other. However, after seeing her photo, Ryo realizes that Glass Heart is the one with Kaori's transplanted heart. Meanwhile Glass Heart retrieves a weapons cache.
Glass Heart, qui reprend ses esprits dans la clinique du Doc, fait face à Kaori, celle dont on lui a greffé le cœur. Quand Kaori lui dit qu'elles seraient "toujours ensemble à partir de maintenant", Glass Heart se croit possédée et réagit violemment. En voyant cela, le Doc court avertir Ryô qu'une "fille avec le cœur et les souvenirs de Kaori est revenue", mais celui-ci ne le croit pas. C'est à ce moment que le chef de l'organisation criminelle taiwanaise Zheng Dao Hui, monsieur Li, débarque au Japon pour retrouver Glass Heart. Mais à peine arrivé, il est abattu par un tireur inconnu.
Il maestro Li giunge in Giappone alla ricerca di Glass Heart, ma subisce un attentato da parte di un sicario e resta in fin di vita. Tutto riconduce ad una vendetta da parte della stessa Glass Heart. Nel frattempo, Ryo fa una tragica scoperta.
ドクの診療所に運ばれ意識を取り戻したグラス・ハートは、自分に移植された心臓の持ち主・香と対峙する。「これからずっとあなたと一緒」。香にそう言われ、自分の体を乗っ取られたように感じるグラス・ハートは香に反発する。そんな様子を目撃したドクは?のもとに駆けつけ、「香の心臓をもった女が香の記憶をもって戻ってきた」と告げるが、?は信じない。その頃、逃亡したグラス・ハートを追って台湾マフィア･正道会のボス・李大人が極秘に来日するが、李は何者かに狙撃される
