Daddy, Please Save Mommy!

"Dad!" One day, a child who suddenly appeared shook Mu Hyeok's world. It was the child born from his first love, Hye Rin, whom he believed had betrayed him and left. He thought that his only duty was to get Hye Rin out of prison for the sake of the child, but the moment he faced Hye Rin's haggard face, everything crumbled. Unjust imprisonment, years of accumulated resentment, and even cruel sacrifices... To protect the child from the forces behind the rift that drove them apart, Mu Hyeok now intends to stake everything and stand by her side.

Synopsis: MyDramaList