When Su Wan, a cultural relic restorer who calls herself a "salted fish", was forced to become a contract couple with Lu Chenguang, a technological upstart who pursues extreme efficiency, she thought it was just a deal that required acting skills. He needed her to deal with the family, and she needed him to deal with the debt. But when his private plane landed in front of her dilapidated studio, and when her repair tools inadvertently solved his company's technical problems... The encounter that started with a lie gradually deviated from the preset track. In the world he built for her, she discovered her own value; and in the chaos and warmth she brought, his frozen heart began to melt. This is a redemption in the name of love. They will eventually discover that each other is the most indispensable light in each other's lives.