Young-gyu asks him to go fishing at Sam Un-tang at Chanwoo's house. However, Chan-woo and Oh-jung, who had planned to go together, make an excuse and reject Young-gyu. Chan-woo and Oh-jung, who went fishing at night, meet Yeong-gyu who accidentally loads a heavy book on the road. However, when he finds out that Yeong-gyu is caught by them, Chan-woo and Oh Jung pretend they don't know whether it's caused by night fishing. Jung-bae is excited about seeing whales, but she finds out that Whale going to the hospital is very painful. Underdogs who don't know what it is like to catch whales are going to go together and install more. (Source: SBS)