The TV series "Our Army Marches Towards the Sun" mainly describes this special history of cadres going to the south "Southwest Grain Collection". Although the male protagonist Zheng Da is rich in practical combat experience, his emotional life is a blank. As the plot deepens, he even became an unwed father for no reason. The character Qiao Keshu played by Wang Yuank Ker loves him so much and uses every trick to make the hero come back to her.