Jaha makes a surprising move. Clarke gets help from an unexpected source. Lincoln seeks revenge.
Waltz in D flat major, Op. 64, No. 1 "The Minute Waltz" — Frederic Chopin
On level 5 in the dinning hall, Cage survey his people when he is informed of Emerson's return; Clarke talks to Cage over the walkies; Maya & Jasper say their goodbyes as he leaves with Lee.
The remaining 48 and the other survivors return to the Ark campsite; Clarke tells Bellamy she can't go back to the camp then walks away from the camp; Shoot of the lighthouse tower.
After clearing off one of the solar panels the power to Lighthouse hideaway powers on which turns on the music then Murphy finds the entrance to a fancy hideout and makes himself right at home.
The Death of the Mountain Men and Cage — Evan Frankfort
Octavia rushes into the dorm and saves the ark prisoners. Clarke explains to her mother that she tried to be the good guy. Meanwhile Lincoln is hunting Cage Wallace in the woods.