When a critical business deal goes belly up, Jang Tae Ho finds himself homeless and on the run from dangerous loan sharks. As the once-successful financier struggles to climb his way out of poverty, he encounters an underground community within the subway system, where an entirely different set of rules govern the lives of countless homeless denizens.
E1
Jang Tae Ho is on the run from loan sharks as homeless after a failed attempt to manipulate the stock market.
E2
Tae Ho is determined to find his way up to the top of the Seoul Underground Seven. In order to do so, he must start with Number Six.
E3
In order to protect Jung Hoi Jang's life, Tae Ho challenges Sergeant Bae for a fight. Kwak Heung Sam found out his true identity.
E4
Tae Ho has been summoned by Kwak Heung-Sam, who gave him an option to either kill Jung Sa Jang or pay back his five billion Won within a week.
E5
When a turf war is about to break out between Kwak Heung Sam and Jung Sa Jang, Jang Tae Ho is trapped between two sides.
E6
Jang Tae Ho and his team are moving their plan into action, will Jung Sa Jang take their bait?
E7
While the scam of Jang Tae Ho seems to be a success, Jung Sa Jang invited someone to join that could jeopardize their plan.
E8
Now loan shark Jung Sa Jang has been taken care of, Kwak Heung Sam has major plans for Jang Tae Ho.
E9
When Straw cutter is released from prison, he hears the news of Sergeant Bae disappearance.
E10
Strawcutter is seeking revenge for the murder of Sergeant Bae and plans a battle with Jang Tae Ho, while Heung Sam's project is nearing their final stage.
E11
After reading strawcutter's note, Jang Tae Ho digs more into the past of Kwak Heung Sam and Kang Se Hoon.
E12
While Jang Tae Ho had a plan prepared to stay alive, Ryu Jong Goo is trying to show other homeless people that their life is worth fighting for.
E13
Ryu Jong Goo is dedicating himself to support the pride of the homeless population, while Kwak Heung Sam realizes that he must be stopped and Jang Tae Ho seems to be the perfect man for this job.
E14
In order to protect Mi Joo, Jong Goo kneels to Kwak Heung Sam. Though Jong Goo and Mi Joo have plans to finally escape Seoul Station, Jong Goo has a hard time leaving his men behind.
E15
While Seoul Station suffered a tragic loss, it is Jang Tae Ho who decides it is his turn to move against Kwak Heung Sam with the support of his friends and Mi Joo.
E16
There is no turning back anymore for Jang Tae Ho when his entire plan is on the move, but will it be a failure or a massive success?