After losing his parents in a fire, Lee Ahn acquires the power of psychometry, the ability to read a person or an object's past through physical contact, and he decides to use it to take bad people down. While he does not know how to control his power yet, he meets Yoon Jae In who tries her best to hide her painful secrets. Together with his foster guardian, prosecutor Kang Seong Mo, and the latter's colleague, investigator Eun Ji Soo, they team up to solve an elusive case that has been haunting the lives of Ahn, Sung Mo, and Jae In. The case revolves around the life of prosecutor Kang his mother and father who were the main cause of the fire. Jae In and Lee Ahn heal each other through their past present and future and find the culprit.