What is heaven? How far is heaven? How much time do we have left for our children, life, husband, family and friends? People's time is always so short and so long. Let's smile! We promised not to cry. Sun Youxiang (played by Xiu Jiekai) and Zhao Chengshu (played by Lin Yuxi) live happily with their mother and daughter Ruxi. While Chengshu is pregnant with her second child, she learns the bad news that she has stage 4 brain cancer! Looking at Youxiang who works hard for the family and Ruxi who has not grown up yet, she feels the little life in her belly, working hard to grow up every day. But she must make a choice between life and children...