Kang Ji-gu

Byung-han attends the acting class that Young-chun is leading, and senses something odd about the atmosphere.

Hye-ja, who is struggling with her job in Seoul, dreams of moving up from a semi-basement flat to a studio apartment. Working at an insurance company's call center, she faces challenges at work due to her rough dialect and fiery personality. To borrow money for the move, Hye-ja travels to Busan to see her mother, but no matter how hard she knocks on the door, her mother does not answer.

A former special forces soldier delivers revenge for victims of injustice while working for a secret organization that fronts as a taxi company.

After the culprit in the Joker Murder Case, Jeong Man-chun is killed post-trial, jurors start dying. Detective Ryu Sung-jun, suspected of the crime, seeks the true killer with his brother and a juror.