October 1982: War is waged between Britain and Argentina over the Falkland Islands. A British soldier stumbles upon an Argentinean soldier. They share a few minutes of uneasy respite before national hostilities re-emerge.
The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.