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The DNA result found on the weapon that was used to kill Kang Duk Soo confuses Moo Chi. Bong Yi joins Hong Ju’s team and starts investigating the Suseong serial murder case. With Ba Reum, Bong Yi begins to find the link between the Suseong serial murder cases and the Guryeong attempted murder case. At the same time, Moo Chi also looks into one of the inmates’ cases from Moojin Penitentiary.
Episodes
1The Head Hunter 2Eye for an Eye 3Resurfacing Murder Cases 4Who Are You? 5The Live Broadcast 6The Donkey and the Goat 7Memory Loss 8Ba-reum's Memories 9Ba-reum's Brain 10Sung Yo-han in Me 11Kill Him! Kill Her! 12The Yo-han in Ba-reum 13DNA on the Weapon 14The Cat Killer 15It Was All Me! 16Was It Really Sung Yo-han? 17The Guryeong Family Massacre 18Please, Give Me Some Time 19Kim Joon-sung's Laptop 20Ba-reum's Final Call