Maria Duran is a newspaper reporter who is good at scrutinizing various details and has sharp logical thinking. On her birthday, she witnessed a series of "impossible" crimes happening in front of her eyes. The wheel of fate has suddenly accelerated since then. Her fate is intertwined with the fate of the only survivor, the mysterious Anya, and she becomes the terminator of the shocking case. Unexpectedly, she faces suffocating threats and difficulties. With the help of her equally thoughtful psychologist, Maria leads Anya to fight back tenaciously, step by step to the ultimate truth... However, the ultimate truth is accompanied by the arrival of death. The code is difficult to decipher, the desperate situation cannot be broken, and life hangs on a thread...