Check Out the Event Season 1 Ha Song-Yi (Bang Min-Ah) has a bright and honest personality. She works as a coordinator of a botanical garden. Her boyfriend was Park Do-Gyeom (Kwon Hwa-Woon), but he suddenly broke up with her and she still has a broken heart from the breakup. One day, she learns that she won a couple trip event.
Ha Song-Yi and Park Do-Gyeom participate in the couple trip, pretending that they are still boyfriend and girlfriend. Meanwhile, Seo Ji-Kang (An Woo-Yeon), who is an essay writer, becomes a guide for the couple trip. There, he meets Ha Song-Yi and becomes attracted to her.