Life is a Moment(1987)

In the year 2037, Ms. 6262 accidentally brakes the time barrier while speeding in her electric car and is transported 50 years into the past. Now in the year 1987, she meets Fang Zhongxin, the owner of a chocolate factory, and they start to spend time together. Before she can return to her own time period, she searches out her mother who is still a young child.