Both dramas have similar story. In both dramas woman is dying and man wants to spend the rest of the days with her make every day count.

Both dramas regarding heart transplants from previous lovers. TSDOML is better than SS in story wise, since SS was a little bit drag on and second male n female leads make you frustrated.

Older woman younger man romance in both dramas. In both dramas, chemistry between main leads are good.

Both are intense/ romance dramas.

Great chemistry between main couples.

Both dramas have a revenge story.

The Innocent Man drama has some best OSTs.

Good story and good ending in both dramas.