The novel tells the hardship and parting and reunion of six protagonists from two single parent families. They approached, warmed and hurt each other, which led to their parting inevitably. Su Qin the accountant of the chemical plant met Ding Bogang the worker, both of whom were single parents. Every Saturday Su Qin would bring her children to the Ding family and the two families would have a rich dinner together. Every Wednesday Su Qin went to the Qing's and spent the night there. Ding Chenggong, the unemployed son of Ding family and Xiao Lan, the pretty and studious daughter of Su Qin fell for each other. And their relationship struggled between love and secular success science. Finally, the pregnant Xiao Lan gave up the successful family in secular conception and came to Ding Chenggong. However, Ding died in the explosion, and Xiao Lan also lied in the hospital bed.