A ship sent to investigate a wave of mysterious sinkings encounters the advanced submarine, the Nautilus, commanded by Captain Nemo.

Arthur Curry, the human-born heir to the underwater kingdom of Atlantis, goes on a quest to prevent a war between the worlds of ocean and land.

Jake Sully lives with his newfound family formed on the extrasolar moon Pandora. Once a familiar threat returns to finish what was previously started, Jake must work with Neytiri and the army of the Na’vi race to protect their home.