Let Me Out.

A Korean zombie coming-of-age story. Convenience store clerk/film student Mu-Young, gets a chance to make his first movie, a zombie melodrama. The dream project turns into a nightmare. Everything that can go wrong, does. Barely surviving his disastrous shoot, he comes to realize making a movie is like love, you can't do it alone. A movie for people who love movie making, making love and zombies.