Every day is an exciting surprise for Woo-jin, a talented furniture designer who wakes up in a different body, but always the same age, gender, and appearance. When he meets Yi-soo, a kind, adventurous soul who works at his favorite design studio, he is immediately drawn to her and believes she is the perfect match for him. However, realizing that his appearances change daily, Woo-jin must find a way to pursue his love for Yi-soo while coming to terms with the unique reality of his existence.