Song Shiwei's husband Fu Jingnian and his twin brother Fu Yan'an went to battle. Fu Yan'an died saving Fu Jingnian. To fulfill his brother's last wish, Fu Jingnian impersonates Fu Yan'an, planning to reveal the truth after his sister-in-law gives birth. He brings Song Shiwei back home, convinced he has hidden his deception perfectly, until Song Shiwei accidentally discovers the truth.
