Former gang boss Park Hae-gang is desperate to raise a huge sum of money to save the man who once raised him like a father. After learning that a luxury apartment complex holds a massive repair reserve fund, he teams up with aspiring lawyer Kang Ha-ri to infiltrate the residents' association and pull off the perfect heist. However, as Hae-gang climbs his way into the apartment's administration, he uncovers a web of corruption involving powerful businessmen, dishonest officials, and greedy residents who are all after the same fortune. Forced to choose between personal gain and doing what's right, Hae-gang turns from a clever conman into an unlikely hero, risking everything to expose the conspiracy while trying to protect the people caught in its middle.
