Clarke and Lexa may have different leadership styles, but they will have to work together to win this war.

Raven is working to disable the acid fog, but will she succeed in time?

Lexa and Clarke are dressed to kill... Mountain Men?

Raven plays an essential role in the Mount Weather war, and the pressure is mounting as the battle looms.

Clarke and Lexa come from different worlds, but they have a common enemy and a joint desire to save their people.

Raven calls upon Wick for help disabling the acid fog.

Octavia and Clarke each have a role to play in the impending war.

Raven and Wick make a great team, but will they disable the acid fog in time?

Octavia has become a Grounder warrior, and she is ready for battle.

Has Raven found a solution to the problem posed by the acid fog?

The Grounder warriors have their weapons raised and they are ready for the fight.

Raven and Wick work against the clock to stop the acid fog.

Wick is the perfect person to help Raven in the engineering room, and we can't get enough of their chemistry!

Wick takes a moment to reflect on the current circumstances.

Clarke is prepared to lead her people into battle.

Clarke and Lexa lead the way, but the battle ahead of them will not be easy.