Boiler worker Chen Dong unexpectedly wins the grand prize in the sports lottery, but it happens just as his mother assigns two real estate properties entirely to his older brother, Chen Jiang. Chen Dong does not expose his wealth right away, quietly buying property and contracting a transport fleet. Faced with demands from his family, his sister-in-law's giving him a hard time, and trouble caused by his brother's debts, he holds his ground, fulfilling the obligation of supporting his mother but refusing to help out unconditionally. He meets the understanding Su Qing and harvests a sincere relationship. After experiencing family conflicts and entanglements, the family completes self-reflection, everyone unties some of their emotional knots, and Chen Dong and Su Qing form a happy little family, returning to peaceful and plain lives.