Marry My Husband - Season 1 Episode 1 -

My friend Sumin, who I believed was on my side even when everyone in the world turned their backs, cheated on me with my husband Minhwan. Ji-won, who is in the final stages of stomach cancer, witnesses the affair of two people who are flirting while talking about the insurance money, and ends up losing her life without being able to fill the short time left in her life... But when she opens her eyes, it's 2013?!