in the middle of winter, person falls through the ice over a river, spends at least 30 seconds trapped under freezing water and miraculously survives without a fire, their clothing magically dries in under a day all the while trapped outside in the snow, handgun defeats ak (not likely especially at close range), car worked as cover (it won't), no hearing protection but can still hear after gun battle, smallish well trained woman defeats much larger well trained man in hand to hand combat (nope).
nope
nope
and it started out so well...