Over the Rainbow.

After a tragic road accident, broadcast journalist Jin-soo finds he's lost pockets of his memories, including that of a woman he once loved. Nagged by unrelenting feelings of loss, Jin sets out to find her. His quest lands him face to face with Yeon-hee, a woman who's trying to forget a man she once loved. What begins as a journey of sadness turns into a triumphant story of love for the pair.