This was much better then I anticipated. The acting was good, the storyline was more or less believable and the SFX were very good.
Having said that it is incredibly gory with body parts and blood sprays everywhere. The Jeep mounted heavy machine gun that Rambo commandeers is particularly messy (the poor driver!).
This move is set sometime after Rambo III.
When a group of missionary aid workers in myanmar disappear into the vast green inferno vigilante vietnam veteran john rambo leaves his job as a salween river boatman behind to accompany a group of mercenaries on a daring rescue mission.