Dumped after confessing to her first crush of three years, Rosa Park falls for her second when the nation’s favorite Superpowered Police Officer, Doryeong Han, swoops in to save her as she’s plummeting from a toppling building. A few years later, a mysterious villain called Blackdog appears, but Doryeong notices something is not quite right. Will the world’s worst villain ever win the heart of the strongest hero in the country?