The series focuses on two best friends, Mordecai, a blue jay, and Rigby, a brown raccoon. Mordecai and Rigby work as groundskeepers and as they attempt to keep their jobs, which is being threatened by Benson, their boss. In the series, Mordecai is in love with Margaret, a red robin. But started a relationship with CJ after accidentally thinking that Margaret is engaged. And Rigby has a crush on Eileen, a brown mole, which is still uncertain.