After losing his parents in a tragic car crash, college student Lee Sihyuk is left alone to raise his baby brother, Siha. In order to do so, Sihyuk decides to follow in his father's footsteps and become a translator. While working to apply for the job, he suddenly finds himself knowledgeable about things he's never learned and starts to gain recognition as a translation prodigy! But even with his mysterious new ability, can Sihyuk really balance work and school, all while raising a 3-year-old?