The Trikru maintain a hostile relationship toward the Reapers, Mountain Men, and Sky People. When the delinquents first landed in their territory and burned a village to the ground, they retaliated and a conflict broke out. The Sky People, however, continued to seek peace with them. At first, Lexa, the Commander of the 12 Clans, was willing to extend peace to the Sky People provided that the Sky People leave their territory. Eventually, the Sky People and the Grounders formed an alliance and agree to work together to free their people from Mount Weather. However, the Mountain Men made a deal with the Commander, freeing all the imprisoned Grounders in exchange for the Coalition abandoning the Sky People. This left the delinquents at the mercy of the Mountain Men and jeopardized the alliance