Acclaimed Korean director Park Chan-wook, known for films such as ‘The Handmaiden’ recently released his latest short film ‘Life Is but a Dream’.

The film, which can be seen below, is unique in that it was shot entirely on an iPhone. It's described as the following: “An undertaker who needs woods to build a coffin for the savior of his village digs up an abandoned grave. But while doing so, he accidentally awakens the ghost of an ancient swordsman. Now the ghost tries to take back his coffin.”

A video of their filming process can be seen below.