The series is about the office workers of Marketing Team 3 at the home appliance headquarters of Gaus Electronics—a multinational company. It highlights the highs and lows of corporate life, and love and friendship between the employees.

Bo-kyung is in the final year of her studies in oriental painting. Although she has a boyfriend of four years, Duk-woo, Bo-kyung has feelings for one particular senior.

Two detectives in need; Myung-deuk looks after gang and takes bribes for his sick daughter; Dong-hyeok helps Myung-deuk to settle his gambling debts. One day they hear an information that Chinese gang is shipping a big amount of cash abroad and decide to steal it for themselves. But things go wrong and they're now chased both by police and Chinese gang.