A story that follows the work and love lives of the young employees in the Marketing 3 Division at Gaus Electronics. Lee Sang-Sik (Kwak Dong-Yeon) has a bright personality, but he is oblivious to the moods of others. He often causes trouble unintentionally in the office. Cha Na-Rae (Ko Sung-Hee) is an assistant manager with a fiery temper. Baek Ma-Tan (Bae Hyun-Sung) is a son from a family who runs a big company. He doesn’t talk much. Gun Gang-Mi (Kang Min-Ah) is considered the most beautiful female employee at the company, but, when she gets drunk, she becomes a totally different person.