The Worst of Evil

Gicheul and Junmo make their way to the final deal. Korea, China, and Japan prepare for the arrest.

An accident halts the trade and a crisis approaches as Euijeong and Dohyung worry about Junmo.

Junmo and Euijeong juggle duty and feelings. Hwang continues to meddle, and the final day arrives.

The battle with Jaegeon creates a crack. Junmo joins forces with Haeryun to resume the trade.

Gicheul suspects Junmo. The four people’s irreversible decisions trigger the biggest crisis.

Haeryun shows interest in Junmo; Euijeong approaches Gicheul; Junmo takes an extreme measure.

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

Severely damaged by the attack, Gicheul strives to find the traitor within the union; Gicheul begins to make a move toward Euijeong as she joins the investigation team again to help Junmo; he gives Junmo the task of receiving their guests from China.

Junmo is subjected to another shocking test, and Jungbae begins to doubt him; with Junmo backed into a corner, the team enlists Euijeong to help him; Song Donghyuk's subordinate, Kang Geon, teams up with Sung Kisoo of Jaegeon Group to seek revenge.

Euijeong's appearance puts the squad in trouble. Gicheul finds last night’s attack suspicious.

Barely passing Gicheul’s test, Junmo joins Gangnam Union and discovers an unexpected truth.

Detective Junmo goes undercover within Gangnam Union to probe an international drug trade.