"Introverted Boss" tells a romantic and funny story about a very shy man who meets a lively and cheerful woman. In the play, Yeon Woo-jin will play the company CEO Eun Hwan-ki, a man who thinks that being in the spotlight is more annoying than death. He is extremely introverted and shrouded in mystery like a ghost, and thus lost everything. Park Hye-soo plays Chae Ro-woon, a new employee full of energy in the play.