The documentary 577 Project follows the unexpected and hilarious journey of actor Ha JungWoo as he is forced to fulfill a bold promise. At the 46th PaekSang Arts Awards, while celebrating his best actor win for the movie Take Off, Ha JungWoo confidently declared in his acceptance speech that he would walk across South Korea if he won the prestigious award again the following year. Fate intervened at the 47th PaekSang Arts Awards when he indeed won best actor again for his outstanding performance in the movie The Yellow Sea. Committed to keeping his word, Ha JungWoo embarks on an epic trek, dragging along fellow actors and actresses, including Kong HyoJin. Together, this star-studded group undertakes a grueling journey from Seoul to Haenam. Spanning over 19 nights and 20 days, they push their physical limits to complete the massive 577 km walk. This entertaining film captures their struggles, laughter, and camaraderie during a truly unforgettable adventure.