Colliding with the full force of the Time War, the Doctor crash-lands on a jungle world with a ragtag band of refugees.

To stay alive, they must cross a landscape where time itself is corrupted. A forest which cycles through growth and decay, where sounds of battle are never far away, and where strange creatures lurk all around.

Luckily, the Doctor has friends: not only plucky scientist Bliss, but another, much more unlikely ally. Its name is ‘Dal’…