Under the fog of the bustling city, the encounter between Su Wan and Lu Chenzhou was a cage carefully woven by fate. A carefully designed substitute marriage contract trapped her in the whirlpool of a wealthy family. When the truth came flooding in, she realized that she was not only the shadow of Lu Chenzhou's Bai Yueguang, but also a pawn in the twenty-year grudge between the two families. Lu Chenzhou, who seemed cold and ruthless, was gradually moved by her tenacity while getting along with Su Wan. In the love intertwined with lies and sincerity, in the entanglement of hatred and redemption, can they break the shackles of fate and find the light that belongs to each other in this fog-locked Rose Lane?