Lee Tae-joon, an insurance investigator, meets a man called Soma, who tells him about a new drug that can cure Tae-joon's son. Tae-joon enlists the help of Go Na-byul, a former fencer, and Jung Eui-sung, a hacker, to acquire the drug.

Tae-joon evades arrest and seeks out Hwang Su-gyung, a con woman who was arrested in the past due to his investigation. Meanwhile, Roy Ryu, the leader of the infiltrated organization's security team, pursues Tae-joon.

Imprisoned after losing his son, Tae-joon witnesses a shocking scene. Meanwhile, Eui-sung becomes enthralled by Min Young-min, a renowned stock investor. Eui-sung entrusts all of his money with Young-min, only to realize that he is a fraud.

The Leverage Team befriend Young-min by pretending to be heirs and heiresses of conglomerate dynasties. Tae-joon and Su-gyung purposely trigger Young-min's inferiority complex, while Na-byul engages in systemic flirtation.

The Leverage Team obtain Young-min's signature, leading to his downfall. Feeling rewarded, the Leverage Team decide to be righteous frauds who punish corrupt swindlers. Meanwhile, a police officer is injured in the field at a union rally.

While tracking down the suspect, the Leverage Team realize that contract killers and the police are involved in the assault against Inspector Park. In the face of potential danger, the Leverage Team decide to safely defraud the conspirators.