李丽（余男 饰）在一间濒临倒闭的纺织工厂工作，日日过着重复而平静的生活，工作、照顾丈夫和孩子几乎成了她生活的全部。突然一日，李丽被查出患有绝症，余下的生命变得弥足珍贵，李丽决定去北京寻找自己的初恋男友赵鲁寒，了却自己最后的心结。两人终于在北京见面，李丽问赵鲁寒为何当年从西安调往北京后就杳无音信，而自己连续两年寄出的长信也始终没有回复。赵鲁寒听后十分震惊，表示自己一封信也没收到过，也因此结婚。李丽回到了西安，发现丈夫正四处筹钱给她治病，李丽作出了最后的选择……

Li Li, intelligent young woman is working in a mill Xian'an. The company knows the difficulties. Her husband, who worked in the same company, was among the first laid off and has launched a small business (fish). They have a little boy, Bing Bing. Tired, Li Li will visit the hospital. The verdict: acute leukemia. The bone marrow is financially out of reach. Rest chemotherapy less effective but require her husband to sell the family home. In addition, Li Li needs a little freedom to live a little for herself and get answers before ... She goes to Beijing to visit the one she was in love ten years ago, and who was not accepted by her parents.

Lily, ouvrière dans une usine de tissu, partage son temps entre son travail, son fils et son mari. Suite à un événement bouleversant, elle décide de partir seule...