Desc: Kokdu: A Story of Guardian Angels: Directed by Kim Tae-yong. With Seung-tae Baek, Hee-Bong Cho, Go Choi, Min-gi Kim. Siblings Su-min and Dong-min trade their grandmother's shoes for a puppy they discover at the market. When the mortally ill old woman is admitted to the hospital and pines for her lost footwear, the two children feel guilty.