Bittersweet Tears is a romantic comedy about a vengeful and bittersweet love between Gaomao (Jenny Lor) and Vong (Beng Hang). Vong is the only son of Chong Yee (Billy Yang). Having lost everything Gaomao swears vengeance on Chong Yee, the man whom she claims to be responsible for her loss. Will Gaomao be able to overcome her own heart and take her revenge?