Happy Birthday

Ten and Pao are both travel writers and although they have never met, they fall for each other through the pages of their books. One day they finally meet and Ten instantly falls for Pao, however Pao is not so sure how she feels for Ten. She decides to set a series of test Ten needs to pass before she will allow herself to love him. They vow not to give up on each other no matter what. But when Pao gets into a major accident and then vegetative state, can Ten still hold on the their vow?