Season Five begins six years after our heroes escaped Earth's second nuclear apocalypse. Bellamy's team is in space. Clarke is on the ground. Hundreds are trapped in a bunker below. When a massive prison ship descends upon the last survivable place on Earth, The 100 must come together to reclaim their home. As two armies converge on one valley, alliances shift, friend become foes and the march to war threatens to destroy the remnants of the human race. Can our heroes break the cycle? Or are they doomed to repeat the past? In this epic battle for survival, one thing is certain: There are no good guys. In a kill-or-be-killed world, these 13 episodes are filled with acts of courage and carnage, bravery and betrayal, desperation and devotion.