As Clarke & Lexa deal with the aftermath of their decisions at Mount Weather,forgotten feelings resurface. Both leaders struggle to find themselves among a world expectations and masks,trust is tested & truths revealed. Story continues on how these emotions affect the alliance,while discovering there are still forces who wish to destroy the whole humanity and leave them to suffer.

Grounders and Arkadians are warring clans living in the same vicinity. What happens when Clarke, a young prisoner is sent to Trigeda to kill the rival Commander, and ends up falling in love. Does she kill the Heda and earn her freedom, or does she betray her friends and family and fall in love with the young girl with eyes the colour of the forest.