Hie-ryeong Kim

Su-Jin (Son Yae Jin) and Chol-Su (Jung Woo Sung) meet under seemingly average, normal circumstances. Su-Jin is exiting an affair with a married man, and Chol-Su is working for Su-Jin's father as a carpenter, and when they finally meet it's as if it was meant to be. Their love is affectionate and their marriage as close to perfect as can be... but is fate truly that kind? (IMDB Comments)

Tae-gyu and Ji-hye get married. Two young lovers dreamed of the ideal married life which each had respect for each other. But honeymoon is soon over as each comes to realize that the other isn't quite what they thought. The liberal woman would like to talk of sex with frankness and ease. The conservative man can't get rid of his traditional sense of superiority.

After his missing brother inexplicably returns to give him a bundle of incense sticks, Sun-woo Park discovers that burning the incense sends him exactly twenty years into the past. He attempts to use this to improve his life and those of his friends and family, and to fix the unintended consequences that result, before the incense runs out.