Don't Love Me When I'm DyingEpisode 4

Three years ago, believing she didn’t have long to live, she walked away from the man she loved. When they reunited, he believed she had betrayed him and set out to punish her, never knowing she was suffering from a life-threatening illness. But when the truth finally came to light, he discovered that her illness had a hidden cause—and the woman beside him was the real culprit. When he finally knelt and begged for her forgiveness, would it still be too late?