Meet the Park Family: the picture of aspirational wealth. And the Kim Family, rich in street smarts but not much else. Be it chance or fate, these two houses are brought together and the Kims sense a golden opportunity. Masterminded by...

Hwang Ki Joon, Mr Action, and Kang Hee Yeol, Mr Bookworm, are two best friends but contradictory students at Korean National Police University. They accidentally witness a kidnapping and decide to work together to track it down.