1. Episode 1

9.2

. 27 September 2023. 54 min

Detective Jun-mo goes undercover within Gangnam Union to probe an international drug trade.

2. Episode 2

9

. 27 September 2023. 53 min

Barely passing Gi-cheul's test, Jun-mo joins Gangnam Union and discovers an unexpected truth.

3. Episode 3

9

. 27 September 2023. 54 min

Eui-jeong's appearance puts the squad in trouble. Gi-cheul finds last night's attack suspicious.

4. Episode 4

9

. 4 October 2023. 55 min

The team seeks Eui-jeong's aid to assist Jun-mo in a crisis, which leads to a perilous love triangle.

5. Episode 5

9

. 4 October 2023. 53 min

Earning Gi-cheul's trust, Jun-mo becomes anxious as he sees Gi-cheul making a move towards Eui-jeong.

6. Episode 6

10

. 11 October 2023. 61 min

The delivery accident jeopardizes the trade. Detective Hwang closely surveils Gangnam Union.

7. Episode 7

10

. 11 October 2023. 70 min

Hae-ryun shows interest in Jun-mo and Eui-jeong approaches Gi-cheul. Jun-mo takes an extreme measure.

8. Episode 8

9

. 18 October 2023. 59 min

Gi-cheul suspects Jun-mo. The four people's irreversible decisions trigger the biggest crisis.

9. Episode 9

9.5

. 18 October 2023. 54 min

The battle with Jae-geon creates a crack. Jun-mo joins forces with Hae-ryun to resume the trade.

10. Episode 10

9

. 25 October 2023. 59 min

Jun-mo and Eui-jeong juggle duty and feelings. Hwang continues to meddle, and the final day arrives.

11. Episode 11

9

. 25 October 2023. 54 min

An accident halts the trade and a crisis approaches as Eui-jeong and Do-hyung worry about Jun-mo.

12. Episode 12

9

. 25 October 2023. 67 min

Gi-cheul and Jun-mo make their way to the final deal. Korea, China, and Japan prepare for the arrest.