When a woman who was abandoned at birth because of a genetic disorder sees a child facing the same fate, she finds herself trying to persuade their parents to reconsider and goes to extreme lengths to save the child.

The story revolves around Xia Tian, a single mother and an associate researcher whose life's work is a machine that can allow people to return to the past. However, upon the completion of the machine, her son, Dou Dou, gets kidnapped...