Wen Qingran, a gentle firefly breeder, saves injured underworld heir Mo Liye from an ambush in her moonlit bamboo forest. His icy defiance clashes with her quiet kindness—until her glowing insects and whispered lullabies begin thawing his guarded heart. But when his past drags her into danger, she must choose: flee with her fragile light, or stand in his darkness. A lyrical dance of warmth and shadows.