Manhole
Turn Yourself In (1x15)
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Pil explains to Soo Jin that they had traveled time through the manhole. He comforts her, and she realizes Pil's sincerity when he told her that he will always protect her. Meanwhile, the police find out that Jae Hyun had been behind all the random attacks and go after him. Soo Jin tells him to turn himself in, but he disappears with Soo Jin.