The young mom Jin Cancan, born in 1985, brought up her daughter Lu Xin'er for four years at home. She wanted to have the second child. With the support of her parents-in-law, Jin Cancan went to apply for a second-child birth permit, but was opposed by her mother. Moreover, the income of Jin Cancan and her husband could not guarantee the life quality of the second-child family. The helpless Cancan sent her daughter to kindergarten in order to return to her job. When she returned to work, she found out that she was pregnant.

Two sets of identical twins switched at birth in Colombia explore their complex history and new identities in this captivating documentary.

Pari and Farhad are a middle-class couple who are both involved in theater and cinema. They love each other and are happy with their son, but suddenly they are faced with Pari's unplanned pregnancy. Farhad insists on an abortion but Pari believes that abortion is inhuman and cannot accept her husband's idea. A baby, bringing the possibility of making their family world even happier, causes serious disruptions in their lives.