The challenge instance opens, and five challengers—Su Yan, Su Ran, Ye Qing, Lu Shiyan, and Wang Lei—join forces to resolve the crisis inside. The corridors are filled with deadly traps, and figures in paintings create dangerous illusory realms. The group encounters challengers from different regions and searches for clues in diaries. A long-buried school incident gradually comes to light, and amid their fear, everyone completes a long-overdue redemption.