The Worst of Evil

Detective Jun Mo goes undercover within Gangnam Union to probe an international drug trade. (Source: TVDb)

Barely passing Gi Cheul's test, Jun Mo joins Gangnam Union and discovers an unexpected truth. (Source: TVDb)

Eui Jeong's appearance puts the squad in trouble. G Cheul finds last night's attack suspicious. (Source: TVDb)

The team seeks Eui Jeong's aid to assist Jun Mo in a crisis, which leads to a perilous love triangle. (Source: Hulu)

Earning Gi Cheul’s trust, Jun Mo becomes anxious as he sees Gi Cheul making a move towards Eui Jeong. (Source: Hulu)

The delivery accident jeopardizes the trade. Detective Hwang closely surveils Gangnam Union. (Source: Hulu)

Hae Ryun shows interest in Jun Mo and Eui Jeong approaches Gi Cheul. Jun Mo takes an extreme measure. (Source: Hulu)

Gi Cheul suspects Jun Mo. The four people’s irreversible decisions trigger the biggest crisis. (Source: Hulu)

The battle with Jae Geon creates a crack. Jun Mo joins forces with Hae Ryun to resume the trade. (Source: Hulu)

Jun Mo and Eui Jeong juggle duty and feelings. Hwang continues to meddle, and the final day arrives. (Source: Hulu)

An accident halts the trade and a crisis approaches as Eui Jeong and Do Hyung worry about Jun Mo. (Source: Hulu)

Gi Cheul and Jun Mo make their way to the final deal. Korea, China, and Japan prepare for the arrest. (Source: Hulu)