The unstoppable juggernaut that is the South Korean film industry continues to gather pace with this extremely watchable sci-fi flick.

This film about the demise of Earth and the development of AI, released through Netflix, is a further example of the small nation’s impressive cinematic output of late, which shows no signs of slowing down.

The future, and as predicted by all the scientists, Earth has been wiped out by climate change. This has forced mankind to create shelters in space for the remaining population to live.

But knowing how difficult humans can be, they manage to create a war in space, known as the Adrian Civil War.

This gets scientists thinking, mainly about a weapon that will end the war. So they focus their attention on developing a sophisticated AI, that has been copied from the brain of a legendary soldier, Captain Yun (Kim Hyun-joo), and decide to incorporate it into their latest robot, to make one unbeatable fighting machine.

But there’s a problem that head scientist Soehyun (Kang Soo-youn) has yet to solve, and that involves the fact that they can’t change the outcome of the final part of the Captain’s battle in the simulation, which is halting their progress.

She’s invested more than any other in making this work, as she had a relationship with Yun when she was alive, and is keen to bring her back to life in one sense, even if it is just to win a war.

Having brought us the excellent Train to Busan in 2016, director Sang-ho Yeon’s latest makes an interesting contrast; whereas, as the title suggests, much of the action took place on a moving train, most of this film takes place in a small research facility.

As the film starts, with its impressive array of gun-toting robots, it feels you're about to embark on an action-packed ride.

But as the film unfolds, it reveals itself to be more sophisticated than that. Despite the film’s high tech setting and look, at its heart is a story about loss, and the love between a mother and daughter. And considering all the talk of AI and robots, it ends up being a surprisingly touching and tender film.

That said, the space locale is stunning, featuring some superb set design and very cool robots. It’s an intriguing world, that comes across a little like Blade Runner meets Terminator, which is as fascinating as it sounds.

It’s an interesting take, with its mix of action sequences with the pathos of a 2001: A Space Odyssey, that makes it hugely appealing.

It’s definitely more mature in tone for Sang-ho Yeon, and yet there’s enough going on for those with a love all things robots-with-guns too.

A unique story told in a futuristic world that proves that South Korean cinema is still killing it, even in space.