Xia Zhi Xing (Yoo Ha Na), aka Ah Xing, is a con-artist who makes a living by selling fake jewelry and posing as company representatives to trick her customers. She later crosses paths with Zhong Tian Qi (Jimmy Lin), a man accused of stealing a necklace called Queen Mary. Ah Xing sees him as another criminal like her, and the two's relationship develops over time while they live together back at her village. However, with his sudden involvement in her life, trouble starts to ensue, leading to Ah Xing discovering that there is more to the story behind the Queen Mary necklace, and how a mere criminal to her was actually the second son of a jewelry company's CEO.