To An is the son of the great master To Hien Trung and is famous for his playfulness. He often visits Huong Kieu shop, where a talented beauty awaits - but he does not pay attention because he is already in love. However, when the person he is in love with makes a promise with his friend, Doan Bang, To An tries to find a way in order to have his love and keep his friendship. How will he be able to solve it?