歩道橋から転がり落ちた彩子(綾瀬はるか)と日高(高橋一生)｡ふたりは元に戻れたのか!?そんな中､警察は連続殺人事件への関与が濃厚な日高陽斗と東朔也(迫田孝也)に緊急配備をかける｡その東朔也=師匠は日高の双子の兄で､陸(柄本佑)とある場所へ向かっていた｡一方､河原(北村一輝)は､捜査一課とは別に単独行動に出て…｡ ※内は入れ替わった後の人物名です｡
After falling from an overpass, the state of Ayako’s and Haruto’s souls remains in doubt… Meanwhile, police close in on Haruto and his fraternal twin, Sakuya, as the prime suspects in the case. At that very moment, however, Sakuya is on his way to a remote island with Ayako’s roommate, Riku.
望月與日高的身體終於再次彼此交換歸回原位，已對日高產生同理心的望月決定讓他見過哥哥東朔也一面後再將兩人逮捕歸案，而望月與日高、以及東朔也和陸兩組人各自出發前往兩兄弟母親的出生地奄美大島…
Após uma grave queda, as almas de Ayako e Haruto ficam no limbo. A polícia chega mais perto de descobrir os principais suspeitos do caso.
