Both feature a main character who returns from a prison and has a jaded view on life. As they reluctantly adapt to their new routines, they find healing while they help others and understand the myriad of other people's stories and gain a motivation to live a better life.

Period drama, a string of mysterious cases, solved by a slightly eccentric genius ML, with the help of another ML who is in the force, good bromance.

They both involve the protagonist, a lawyer taking cases of those in need and don't have any other place to turn to. In both, there is finally a big picture connected with the protagonist and a villain.

This too is a father-daughter love. Both have excellent actors that can move us to tears. In Miracle in Cell No. 7, it's the father who is specially challenged.