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.
Having discovered that Jasper may still be alive, Clarke, Bellamy, Octavia, Finn and Monty set out on a mission to locate their friend.
After a betrayal, Clarke takes matters into her own hands, Bellamy, Finn and Murphy race to save a stranger and tensions rise between Raven and Wick.
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.
Trapped in the white room, Clarke tries to make sense of her surroundings. The Ark survivors face moral and physical dilemmas. An old enemy returns.
Bellamy and his crew run into Grounder territory as they search for Octavia while Raven notices the deep connection between Finn and Clarke.
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.
