The Beggar Was My Billionaire Grandpa

Billionaire chairman Lin Guodong finally finds his long-lost grandson, Lin Chuan, and disguises himself as a beggar to test his character. Married into the Zhao family, Lin Chuan suffers endless humiliation but continues protecting his "beggar" grandfather. When his true identity is revealed, he becomes the Asian president of a billion-dollar group, crushes those who betrayed him, and rebuilds his life with his devoted secretary.