Torchwood (2006)

S2E3 To the Last Man

Toshiko becomes infatuated with a dashing soldier, stranded in the present and unknowingly possessing the secret to preventing a global disaster. As an eerie hospital, filled with spirits from 1918, looms over the city, a crisis predicted by Torchwood nearly a century ago is on the verge of unfolding. With time periods overlapping and critical choices to confront, will Torchwood manage to avert a catastrophic finale for Cardiff?