Gong Hyo-jin, Korea's greatest rom-com queen
 Lee Chun-hee, an actor reborn as a furniture businessman
 Jeon Hye-jin, a housewife with 11 years of experience as a child actress
 Three people from different backgrounds with different intentions unite for the sake of the Earth!  They attempt to live a carbon-free life at Jukdo, the only energy-independent island that's left!  After discovering a lot of plastic bottles on the beach, they call the water bottle company and start inviting unexpected people to the island!  Gong Hyo-jin X Lee Chun-hee X Jeon Hye-jin's Zero Carbon Project!
 How are they so sincere about the Earth?!
 (Source : Hancinema)