Mr. Handy (2004)

Righteous perfectionist Hye-jin moves down to countryside to open her own dental clinic after getting fired from her former job. There, she meets this Mr. Handy who happens to be a Chinese food deliveryman, a clerk at the convenience store, a singer at a live café , a patrolman and many other things. He gets in her way every day in every possible way. Their struggle to get rid of each other now begins.