Yong-gae is a rowdy gangster from Musan with no home, no background and nothing to lose. He's the loyal dog of Chairman Choi, his boss, and does even the dirtiest task he asks. One day he meets Soo-yeon, the daughter of a debtor. Yong-gae, who used to think being born in and dying in Musan wasn't so bad, falls for Soo-yeon and decides to leave Musan for the first time. However, Chairman Choi orders for him to be killed, and Yong-gae is provoked by his rival, Sang-cheol.

Oh Tae-kyung, once an up-and-coming actor, starts a YouTube channel. He starts to produce content where he grants people's wishes, borrowing a concept from the movie “Oldboy”.

Min-jeong lives a simple but happy life until it's in ruins because of the man that moves in next to her. The man is Deok-man, someone she wants to erase from her memories. She knows what he's up to next and she plans to take revenge on him.

A biker is forced to deliver a ticking time bomb by a mysterious caller who has put an explosive helmet on his ex-girlfriend.