On the eve of her engagement, Wen Ran was dragged into a death game - she had to hand over a "sinner" every week, otherwise she would die. The first target of the game is her fiancé. When she wrote his name tremblingly, she found a countdown on her wrist: If he could not be proven "guilty" within seven days, the system would judge her as a false accusation, and the price would be double the backlash. What's even more desperate is that all the evidence points in the same direction - innocence.