Jin Hogae race against time to catch ma taewha. But he couldn't find him just as he was losing his father chief prosecutor come to him and give him clue about dex ( The serial killer and mastermind ). And about ma taewha In the next preview we see that they collaborate and try to find clue releated to dex and ma taewha and then dex attack with a brilliant plan and jindo dog father say dex is not only master in planning but also in evacuating them .
—Bxercy