In a bustling slum during the Mid-Ming Dynasty, an ambitious locksmith named Xiao is approached by a group of thieves with a mysterious, ornate safe. What starts as a routine job soon leads Xiao on a dangerous journey tied to an ancient secret hidden within the powerful Yuan family. When he discovers a noble girl trapped inside the safe—and a promise of unimaginable riches—Xiao must navigate deceit, family legacies, and his own morality to uncover the true meaning of wealth and sacrifice. A gripping one-shot blending action, drama, and heartfelt bonds, this story will leave readers pondering the value of freedom, love, and the treasures that can't be bought.