Tawan is a handicapped girl who has to stay in a wheelchair because she lost the use of her legs. One day, she happened to meet Sun and Dang Rachada when they helped her by stopping the wheelchair from rolling into the water at the zoo. From that moment, the three have developed a close relationship. Tawan came to love Dang Rachada like a real sister and Sun became a love that she has quietly kept to herself. Later on, Sun receives a scholarship from the police academy to study abroad and Dang Rachada lost all contact with Tawan. Two years later Sun finally returns to Thailand...