Lee Joo-myung was cast as Jang Roo-ri, a French instructor and keyboard member of the mixed four-member emotional pop band 'Sadang Station on Line 2'. "Please Check The Event" is an emotional trip melodrama that unfolds as separated lovers participate in a couple's trip. Jang Roo-ri, who has a glamorous appearance and easy-going personality, is a girl crush character, and is expected to bring tension to the couple's trip, which seems to flow smoothly.