Cheng Xiaolou, a designer of suspense games, transmigrates into Ten Days Until the End and becomes trapped in a deadly game alongside Qi Xia and the others. Armed with his game tester badge and fragmented memories of the original story, he avoids one crisis after another, but comes under the backlash of the End. After the badge awakens echoes of “memory anchors,” he helps Qi Xia stabilize his resurrection ability and fight the Zodiac conspiracy. The two go from strangers to comrades, searching for the truth behind the deification project through ten days of looping time. Along the road to the End, Cheng Xiaolou protects his companions and rewrites their predetermined tragedy.