They have similar stories: Two little kids are kidnapped, and then raised by two unrelated women. Both women do a great job, so the kids love and see them as their mothers. Now, what are these unwanted mothers? And what to do with all the love they gave and received from the kids?
Parent, child and a crime in between.
Although the set up is completely different, the main purpose of the both drama are same, rebuilding a broken relationship between a mother, son, and the whole family.