On the day of the divorce, Su Wan vomited in front of the Civil Affairs Bureau. A month later, she sat in the empty apartment all night staring at the two lines on the pregnancy test stick. Her ex-husband Lu Xingshen called: "I heard that you are looking for a house recently? Do you need help?" She wiped away her tears and said in a calm voice: "No, we are over." She decided to give birth to the child alone and start over in another city. Until one day, Lu Xingshen bumped into her in a maternity and baby store in the mall, holding maternity pants in her hand. He stopped in front of her with a scary look in his eyes: "Su Wan, is there something you haven't told me?"