Unemployed college student Jiang Mo suddenly joined a wealthy family and became the "Second Generation" of the Gu family. She wanted to lock herself away from love and focus on making money, but she relied on her high emotional intelligence and mahjong skills to gain a lot of favor, but she accidentally fell in love with Gu Xun, the president of Bingshan. On one side is the upgrade path of a gold medal nanny, on the other side is the gentle trap of the president who seems to be invisible. Jiang Mo works crazy part-time jobs in the cracks of wealthy families and outsmarts her love rivals, but finds that the biggest challenge is her own heart. When career and love meet on a narrow road, how should she choose?