Two couples are pushed to their limits when destiny befalls on them. Even divorced and remarried, Mei Zhu and Xiao Lu are linked forever by their 5 years old daughter, Hehe. And so are their new spouses. When a disease strikes Hehe, the four are forced to test their love and engagement to each other. A story of parenthood, love, married life, betrayal, trust and giving, who touches on the changes in contemporary society and family life, on the moral and ethical dilemmas brought about by modernity.