Yadang: The Snitch

A young, resourceful former designated driver who profits by providing drug intel to the prosecution. After a setup lands him in jail, he becomes a key informant, using his sharp memory to gather information from the drug network. His resilience and street-smarts pull him deeper into a dangerous game of power and vendetta, as he seeks to overturn those who betrayed him.

A determined prosecutor who recognizes Kang-soo’s value and uses him as a resource to build cases. He navigates the moral hazards of a system where ambition and loyalty pull in different directions, and his fate becomes entwined with the investigation’s fragile balance.

An ambitious prosecutor who leverages Kang-soo’s intel to accelerate his own rise. He orchestrates bold drug busts and manipulates cases to protect his interests, going to great lengths to silence rivals. When Kang-soo finally outmaneuvers him, Goo’s grip on power collapses.

A narcotics officer who initially arrests actress Um Su Jin but sees his investigation undermined by Kang-soo and Goo. He endures months of effort to clear his name while pursuing leads against the drug network, driven by a desire for justice.

An actress drawn into the drug world who becomes a focal point of the case. She films a drug party hosted by a powerful figure’s son, complicating investigators’ efforts and amplifying public scrutiny. She aligns with Sang-jae and Kang-soo as they pursue justice.

A team leader among Sang-jae’s subordinates who is revealed to be a spy for Goo. He exploits internal tensions to derail the investigation until his duplicity is exposed, highlighting the peril of corruption within law enforcement.