When we're young, many of us incur debts of passion, but not everyone is able to repay them.
After breaking up with Yan Yuxin, she found out she was pregnant; not having the heart to abort, and with her family well-off, and being an only child, she decided to have the baby.
Unfortunately, she was out of luck; on her way to a prenatal checkup last time, she got into a car accident, dead with her unborn child.
But the child was only about three months old, having just recently taken form.
Unborn children without the chance to be born do not qualify for reincarnation.
Unless someone with whom they share blood is willing to exchange their own life for the child's.
This much is certainly true.
However, the precondition is that the other party is willing.