Third year fine arts student Ji Ye has been living with his teacher and lover Guan Shan for three years, but life has become boring. Their relationship has slowly turned stale, and the two start facing problems borne of anger and jealousy as Ji Ye considers breaking up and Guan Shan starts suffering from a mid-life crisis. While dealing with the opposition of their friends, their 16 year age gap, and their turbulent emotions, the two search for the true meaning of happiness.