Xiaochun and Cai Nai are two friends who live together, and they have a deep tacit understanding in life and work. The dull and beautiful life suddenly changed. Cai told Xiaochun that he was pregnant and did not know who his father was, but Cai decided to give birth to the baby. From the perspective of Xiaochun, the story records the hard work and beauty of the past 10 months by telling the life decisions of pregnant and single mothers, facing friendship, work, family, depicting the stubbornness and reality of the past, and its future.