In The 100 S01E08, Some of the 100 lose touch with reality after eating a hallucinogen. One of them is tasked to kill, and Diana Sydney’s treachery is revealed.

Clarke and Finn attempt to broker peace with the Grounders while others prepare for battle. Meanwhile, tragedy strikes the Unity Day celebration.

John Murphy returns claiming to have been held captive by the Grounders and Clarke and Bellamy have different ideas on how to handle his return.

Clarke and Finn lead a hunt for food, Raven makes Bellamy an offer he can’t refuse, and Kane risks his life and reunites with Jaha and Abby.

One hundred young exiles from a dying space station are sent to Earth 97 years after a nuclear apocalypse to test if the planet is now inhabitable.

Clarke and Finn are confronted by a new enemy, Bellamy makes a heroic move to save Jasper, while those on the Ark face the inevitable.

Having discovered that Jasper may still be alive, Clarke, Bellamy, Octavia, Finn and Monty set out on a mission to locate their friend.