A down-and-out boy who graduated from a prestigious school but was crushed by reality and fell to the bottom of society. In the most embarrassing and penniless days, he accidentally rescued a wealthy daughter who was plotted by her relatives and was in dire straits. He protected her with his remaining kindness, integrity and courage. The two redeemed each other in the mud. In the end, the male protagonist turned against the wind. The two transcended classes, kept their sincerity, and lived to be each other's light.