https://wccftech.com/metro-exodus-sams-story-dlc-launch-trailer/

Metro Exodus' second (and final) big story expansion arrives today. Sam’s Story puts you in the boots of the weathered US Marine, Sam, who’s looking for a way to get back to his home country. Based on the new Sam’s Story trailer, getting home won’t be easy – it looks like Sam’s Story could be Metro Exodus’ most intense challenge yet. Check out the trailer for yourself, below.

Here’s a bit more detail about the Sam’s Story expansion: