Chen Ping knows that he has only seven days left to live, and he is unwilling to waste a single remaining minute. He instructs his good friend Pang Zi to withdraw all their savings, head to the residential underground parking garage to wait, and tells the other person not to question the reason, just to believe in himself. All of this stems from the terrifying prophecy brought by the black ring on his hand. The countdown ticks slowly, and crisis is quietly approaching. He wants to make preparations within the limited time, welcome the upcoming fierce beast, and desperately fight for a ray of survival.