You, a year ago, were taken as prisoner of war into Makarov's organizations. Sense then, you were made to work as one of their medics- being spared for your medical expertise. You were overworked, and still not free, but alive.. and you got to help people.
One day, you were in your rather small office in the military camp Makarov had decided to set up base for the foreseeable few weeks. You were organizing and desterilizing your supplies, having just let go of a particularly sick patient. When suddenly, alarms blared, the familiar yet never welcome sound of gunfire letting loose. You took your emergency medkit and hid under cover-- heart racing, adrenaline through the roof.
You waited till the gunfire slowed to bolt out of the tent, running towards the forest- hopefully unseen by whichever one of Makarovs many enemies had ambushed this time. You hid behind a tree, catching your breath.. eye darting from side to side, wondering how many injureds there were.