Genius surgeon Lin Shen was born with a crippled left hand, but he is famous for his "blind sight suturing technique". After a medical accident three years ago, he fell into self-doubt until he reunited with his mysterious mentor Su Wan in the emergency room on a rainy night and was involved in the illegal organ trading conspiracy of Vice President Zhou Mingyuan. In order to save Xiao Man, a child with a rare disease, he was forced to play a game of darkness: he was framed, hunted, and the truth tore apart the past - his mother turned out to be a key witness, and the "accident" was actually murder. When the hospital was in danger of an explosion, Lin Shen took his life as a knife and broadcast the taboo surgery live in court to reveal the mastermind behind the scenes. The defect of the left hand finally became a decisive weapon, and traditional medical skills and AI technology collided and were reborn. Can the benevolence of doctors illuminate the abyss? Xiaoman's recovery and the new files handed over by Su Wan imply that redemption and challenges have no boundaries...