Hwa-ja has been raising three daughters alone in Busan after her husband passed away. One day, the second daughter Hye-young comes back to Busan after having continuous setbacks in Seoul. While spending time with her mom, she accidently sees a letter written in Japanese, which triggers her curiosity. She starts to ask Hwa-ja about her past life and gets to know new stories of her mother that she had never heard of.

Dae-gil has been skilled with his hands and has shown a strong desire for winning ever since he was a child. He will succeed his uncle and jump into the world of Tazza, risking his life in competition.

A wily safecracker is forced to help a mob boss pull off a $150 million heist, but smells a double-cross in the works.

A crystal meth dealer with a tragic past is forced to team up with a renegade cop to take down a powerful crime lord.

Hae-woong, an assembly member candidate, is taken out of the running because he became a thorn in the side of a local bigwig, Sun-tae. Hounded by loan sharks, due to defaulting a campaign loan, he decides to get his hands dirty. He steals classified government’s information about an urban development plan and obtains the help of a local gang leader, Pil-do, by promising hefty real estate profit. Now Hae-woong re-enters the race and tries to take revenge on Sun-tae. Unbeknownst to him, his messy journey through politics has only just begun.

Major crimes unit detective Seong-jin arrests Tae-sung for petty crimes, but shocked to find out that he is the notorious serial killer. However, Seong-jin becomes doubtful of his identity as the serial murder case is investigated.

A former professional baseball player becomes entangled in loan-sharking and mob connections after a fixing scandal ejects him from his sport. When his girlfriend vanishes he is forced to confront his mentor and enter a deadly battle.

After he leaves the police force, Dae-ho establishes himself as the sheriff of his town. He then investigates Jong-jin, a businessman, because of his alleged ties to drugs.

Despite their different family backgrounds, four friends grew up together in the wearisome years of the 70s. But as time goes by, each of them takes a different life path.

On his way to work, a bank manager receives an anonymous call claiming there's a bomb under his car seat, and if anyone exits the car, it will explode unless he can pay a ransom.

Busan, South Korea, 1970s. Lee Doo-sam is a small-time smuggler. After helping a drug gang to smuggle meth, he falls into the dark crime world. Quick-witted and full of ambition, he eventually takes over the drug underworld and starts to lead a double life: a good community leader during the day but an infamous drug lord during the night.

In a big city of Busan, twin brothers were left in the orphanage after the tragic death of their parents. Taeju, the older brother, becomes a cop and Taesung, the younger one, holds a significant position in the local gang. Their ironic fate adds up to have both of them love the same girl, Chanmi. As the feud between two different gangs surrounding the casino heats up, Taesung’s best friend betrays him and places him in a trap. As police line approaches, Taeju comes to persuade Taesung to surrender but first they have to face the truth about the traumatic incident which caused them to drift apart.