Destitute and unemployed former surgeon Li Wu enters the perilous and bizarre mist world for a high-paying gig. She shuttles through thrilling instances such as Anna's Villa and Beauty Town, facing hidden terrifying curses and fatal taboos head-on. Relying on exquisite surgical skills and extraordinary courage, Li Wu repeatedly cracks desperate situations, subdues various bizarre ghost weapons, and harvests S-class ultra-high mission ratings time and again. Along the way, she meets teammates fighting alongside her, and even encounters a mysterious girl who looks exactly like herself, step by step unearthing the unknown ultimate secrets of the mist world.