The second round of life, 'Grandpa Baedal', has arrived! A special courier trip for young people who have grown old! Dokgo's grandpa 'Suncheol', who was preparing to die in solitude, overcomes the real danger of dying, and the desire to live again flares up! After coming to his senses, 'Soon-cheol' goes to the 'Silverman Errand Center' and, after having an interview, blindly follows the mysterious courier man 'Takbae' he met there and faces a new world...