A ridiculous medical mix-up left Shen Zhiyi, who was about to walk down the aisle, unexpectedly pregnant. After seeing her fiancé's unfaithful true colors, she decisively called off the engagement and chose to raise Little Bao alone. Two years later, Grant Gu, CEO of Gu Group, showed up with a paternity test. To give Little Bao a complete family, the two signed an agreement and embarked on a misplaced "trial marriage" life. But Mr. Gu, why are you falling for me first?