2100 - End Of The World

It is the year 2100, World War 3 has broken out and all the polar icecaps have melted, Joanna and James a recently married couple need to figure out a way to stop humanity from extinction as Earth is at the brink of collapse.
As a giant asteroid 60 kilometres big is threatening to end Earth. Joanna and James are working for N.A.S.A. and they are one of the only hopes from human kind.
Joanna and James find out that they are the last hope for Earth.