In order to get rid of the dilemma of urging marriage, the energetic girl Su Nian accidentally got married to the cold-faced boss Fu Sihan. At first, the two had very different personalities and constant conflicts. Su Nian's liveliness and simplicity are incompatible with Fu Sihan's calmness and restraint. However, as they jointly faced the challenges of life and the company's crisis, they gradually discovered each other's shining points, and their relationship quietly heated up. But this marriage not only faces doubts from the outside world, but also secret sabotage from business rivals. See how Su Nian and Fu Sihan work together to break through many obstacles and turn this flash marriage into a lifelong romantic guardianship.