Park Chan-ho, Park Se-ri, and Park Ji-sung, who stirred up South Korea, unite as 'Three Park'! The world-class 'Three Park', whose very existence is 'first' and 'best', embark on a new challenge that is 'unfamiliar but' therefore more thrilling, leaving behind an unforgettable glorious history. Park Chan-ho, Park Se-ri, and Park Ji-sung, who will once again set South Korea ablaze. What is their second heart?