Mommy, Don't Think About Escaping Ep. 4

Years ago, I had a one-night stand, and ended up pregnant! However, after giving birth, my baby was taken away from me... Now, I return to the country, and accidentally meet my child and his father! Once, I protected my child from danger, and they started calling me lifesaver. I didn't know, my child has started to be skeptical of my identity since our first encounter! He insists that he should be calling me mommy, and his dad should be calling me his wife.