Innocence [Film and TV Commentary]

Because her father favored boys over girls since she was a child, Jeongin (played by Shin Hye Sun) ran away from home to be self-reliant when she was in middle school, and lost contact with her family. Zhenren later became a top defense lawyer on her own. By chance, she learned that her mother Hanako (played by Bae Zongyu), who suffered from Alzheimer's disease, was suspected of killing her father and also murdered many innocent people. Suspecting that there is something fishy, ​​Zhenren decides to take action in person. Under all obstacles, how can she retract her mother's confession and uncover the ulterior truth behind this murder case?