When Eun Sung (Han Hyo Joo) loses everything, she is given a second chance because of her pure heart. She and her autistic brother are thrown out of the house by their stepmother when their father is believed to have died in an accident. Then her brother wanders off and gets lost. One day, when she helps an old woman who is injured, the old lady rewards her by making Eun Sung heir to her food company, displacing her grandson, Woo Hwan (Lee Seung Gi). Can Eun Sung find her brother and the life she is meant to lead?