The film tells a story of 2 girls who were born on the same day and unintentionally switched at birth. Their lives are completed changed due to the misplacement when they are returned to their respective families.

• Zhao Lusi
• Jiao Rui
• Xu Kai
• Meng Meiqi
• Vicky Liang
• He Minghan
• Yang Xin
• Zhang Qiuge