Depicts the romance between a man who once was a swimmer but lost his right leg to illness and a woman who finds a new path as a graduate student after an unexpected academic crisis. Set within a university robotics lab, the series follows the bittersweet daily lives and healing connections of postgraduate students. Park Min Jae, a man who lost his promising swimming career and his right leg to osteosarcoma. After hitting rock bottom, he discovers a new purpose in robotics. Years of dedication pay off when he enters the PhD program in the Department of Mechanical Engineering at Seoul National University. While he hides a deeply sensitive nature behind a nonchalant facade, he is secretly just a simple guy who has dating at the top of his bucket list. Im Yu Jin, a straightforward and headstrong student who is on the verge of graduating from the Department of Clothing and Textiles. When a sudden incident upends her original academic goals and ruins her plans for graduate school, she crosses paths with Min Jae. Fascinated by his research, she pivots completely and enrolls in a master’s program in mechanical engineering, fearlessly pursuing both a new dream and her growing feelings.