This time-slip drama centers around Bong Pil and his five friends who travel between the past and present through a manhole in order to stop a wedding scheduled a week later.

• Kim Jae-joong
• Uie
• Cha Sun-woo
• Jung Hye-sung
• Ju Jin-mo
• Kim Hye-ok
• Seo Hyeon-cheol
• Lee Yeon-kyung