In order to save the family, her childhood sweetheart Jingli agreed to marry Rong Shuran, while Ling Tingyue had to wait two years to become the "mistress". When the truth was revealed, Ling Tingyue protected Jingli against Rong Shuran's threats and public opinion siege, and was willing to pay her one billion in liquidated damages. Finally, in the rain of cherry blossoms, the two broke through family prejudices, got married, fulfilled their twenty-year love, and embraced freedom and happiness hand in hand.