Sony kicked off its PlayStation Experience keynote with a new Uncharted 4 video.

PlayStation Experience 2015: UNCHARTED 4: A Thief's End - PSX 2015 Trailer | PS4 Watch on YouTube

It showed the reunion between Nathan and his brother Sam - who showed up at Nathan's office, confirming he isn't dead after all.

Sam is also in some trouble too, and it appears the game will provide dialogue options as shown during Nathan's replies to Sam during conversation.

Uncharted 4: A Thief's End is out on March 18, 2016.