1. Episode 1

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. 5 July 2021. 74 min

Ju Young-do flusters Kang Da-jeong with his accurate analysis of her life and his warning that she shouldn't date Chae Jun.

2. Episode 2

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. 6 July 2021. 69 min

A new patient jogs Young-do’s memory of a student he ran into 18 years ago. Da-jeong uncovers a message left behind by Jun.

3. Episode 3

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. 12 July 2021. 75 min

Young-do accompanies Da-jeong on a trip to her mom's seaside shop. Ko Jin-bok is wary of the too-perfect confession and evidence in the murder case.

4. Episode 4

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. 13 July 2021. 68 min

The arrival of an American doctor who bears a striking resemblance to Jun startles Da-jeong and mystifies detectives.

5. Episode 5

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. 19 July 2021. 69 min

Ian Chase visits the crime scene alone, and the police station with a lawyer. Young-do inadvertently dedicates a song to Da-jeong on air.

6. Episode 6

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. 20 July 2021. 70 min

Snow flurries inspire Young-do and Da-jeong to enjoy an adventurous night out. Dr. Chase operates on a slain detective.

7. Episode 7

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. 26 July 2021. 76 min

A disoriented Dr. Chase reveals a new side of himself. Da-jeong learns of the pain in Ahn Ga-yeong’s past and in Young-do’s heart.

8. Episode 8

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. 27 July 2021. 68 min

Da-jeong submits the story of her friendship with Young-do to his radio show. Dr. Chase learns why he was chosen for the surgical team.

9. Episode 9

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. 2 August 2021. 69 min

Da-jeong opens up to a supportive Young-do with a story she's never told anyone else. Dr. Chase expresses interest in seeing Da-jeong again.

10. Episode 10

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. 3 August 2021. 68 min

Unsuspecting friends crash Young-do and Da-jeong's plans for two. Dr. Chase intervenes when an unruly guest causes a scene in the hotel lobby.

11. Episode 11

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. 9 August 2021. 65 min

In the interrogation room, Dr. Chase asks Young-do about their shared history. A court letter brings bittersweet news to Da-jeong's family.

12. Episode 12

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. 10 August 2021. 65 min

Detectives obtain footage of the night in question from Dr. Chase's home with surprising ease. Young-do tries to hide his hospitalization from Da-jeong.

13. Episode 13

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. 16 August 2021. 65 min

Da-jeong and Young-do try to cope with their breakup. A USB drive reveals what happened to Choi Jeong-min on the eve of his puzzling death.

14. Episode 14

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. 17 August 2021. 74 min

Making up for lost time, Young-do and Da-jeong delight in each other’s company. At the church, Ian Chase relates stories of the past to Da-jeong.

15. Episode 15

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. 23 August 2021. 66 min

Mun Mi-ran apologizes to Young-do, who stops by for a stay with Da-jeong. Wanting to end it all, Ian comes clean with a revealing confession.

16. Episode 16

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. 24 August 2021. 61 min

Duty calls, forcing Ga-yeong and Patrick to briefly part ways. Da-jeong is speechless to learn of her best friend's secret relationship.