Jiang Wan returns to China with her five-year-old son, Lu Nian'an, throwing the DNA report and a bill for child support at Lu Group President Lu Jingshen. The Lu family is overjoyed to gain a golden grandson, pampering him to the heavens. Lu Nian'an uses his extraordinary observation to pierce contract traps and uncover the masterminds behind internet trolls. Together, Jiang Wan and Lu Jingshen investigate the truth behind the bankruptcy of the Jiang family five years ago, discovering that the Wen family forged accounts, caused the death of Jiang Wan's mother, and plotted a kidnapping. The two join forces to gather evidence, bring the Wen family to justice, and reclaim the East Suburb and the Jiang family assets. Ultimately, Lu Jingshen proposes in the rain, and the family of three is reunited.