At thirty-nine, free-spirited alpha Park Do-gyeom decides she is ready to leave her casual dating life behind and look seriously for a partner. She turns to her dependable omega secretary, Lee Seung-ah, for help arranging the search. The problem is that Do-gyeom and Seung-ah have spent years hiding feelings for each other, and the process of finding someone else may be exactly what forces them to acknowledge what has been there all along.