Bride in Sneakers (2014)

Webtoon cartoonist Jang Hee-Soon (Kim Jin-Woo) notices a woman wearing a wedding dress and sneakers on the subway train. He follows her off the train, curious to know her story. Meanwhile, the woman in the wedding dress is Park Bo-Kyung (Lee Chung-Ah). Her fiance left her at the alter and she wants to find out why.