The Blind Girl's Savior

The heartless husband sold his daughter, Diana to a human trafficker to settle his debts. After a decade, she founded Dian Corp with her own hard work as a way to remember her daughter. Coincidentally, she saved a blind girl from her iron factory and found out that she was a worker there. This girl's hand had the same scar as her daughter. From that moment on, she became the blind girl's savior. How would this tragic pair of mother and daughter overcome all their challenges to reunite with each other...?