Mr. Plankton

Mr. Plankton follows the story of Hae-jo, a man born from a mistake who feels like a drifter in a world that never wanted him. After receiving a life-altering diagnosis, he decides to embark on a final journey to find his biological father. Desperate to escape his empty existence, he disrupts the wedding of his ex-girlfriend, Jo Jae-mi, the unluckiest woman in the world, and forces her to accompany him on his chaotic quest. As the unlikely pair travels across the country, they are pursued by Eo Heung, Jae-mi’s fiancé and the heir to a prestigious family, who is determined to bring her back. The series blends dark comedy with poignant drama, exploring themes of loneliness, identity, and the search for connection. Through their turbulent journey, the characters are forced to confront their pasts and the true meaning of family and love before time runs out.