It comes in too fast with no parachute, and violently crashes in the distance. Everyone returns to Camp Jaha, but Clarke, wracked with guilt over the deaths of hundreds of people, leaves. When Vinson comes with the pills, he attacks the guards and Abby takes the pills. Though Wallace vetoes the plan, his son Cage goes behind his back and begins the process with Harper. Bellamy's group freely enter the gorge and take out its defenses, clearing the way for Wonkru.
Seeing no other option, Clarke has Monty hack into Mount Weather's air filtration system, and she and Bellamy irradiate the mountain, killing the entire population, including Maya. After learning that Earth is habitable, The Ark begins preparations for Project Exodus: their re-colonization of Earth. Back at Arkadia, Pike is the elected Chancellor. The three talk, and Clarke berates Wells for his apparent part in her father's execution believing he told his father of Clarke's father's intent to commit treason. Using Arkadia's sensors and historical records, Raven determines that A. Murphy steals it and gives it to Abby anyway.
The series follows a group of teens as they become the first people from a to return to Earth after a devastating. Abby transfuses the near-dead Ontari's Nightblood into Clarke so she can be implanted with the Flame. Octavia is awoken on the mothership, which leads to a serious incident with Kane and Abby. Murphy, Pike, and Indra rescue Bellamy and the rest of the group. She is protected by Lexa's spirit and aided by Raven's hacking against A. Clarke opposes the plan but Bellamy leaves her chained up to carry it out. July 2018 Clarke goes on the run with Madi and tells her she will remove the flame, but Madi insists that she needs to go back, because the flame is giving her visions of the previous commanders, including Becca Pramheda.
To this end, Sinclair allows himself to be arrested. Later, Octavia finds Cooper's body, and immediately deduces Cooper was murdered and she reveals to Indra that she had planned to use the worm's eggs on the camp instead of the worms. Abby recruits Raven, a zero-gravity mechanic, to fix a drop pod to send herself to the ground. Meanwhile, an assassin infiltrates Mount Weather, kills Gina, and punches in the self-destruct codes. Later, Murphy smothers Connor as revenge for his part in Murphy's hanging.
Diana then has Shumway killed in his cell. Lincoln's heart stops but is restarted by Clarke, who believes there is a way to cure reapers — information they can leverage to the grounders. For a more accurate and specific representation of the season's body count, see the article. Jaha learns that the baby is an hallucination of his son, who convinces him to continue living his life; he crash lands a missile to Earth. Meanwhile, Octavia is captured by a grounder. However, they run into a grounder clan, which wreck their truck until Echo appears to save them. Clarke, Bellamy, and Octavia arrive in time to see Finn gun down 18 grounders.
Kane attempts to take his own life rather than kill Jaha, but a grounder witness, named , reveals herself to be the Commander and says that she believes their wish for peace is sincere. Bellamy, Raven and Clarke all contract the disease. Après une apocalypse nucléaire causée par l'Homme lors d'une troisième Guerre Mondiale, les 318 survivants recensés se réfugient dans des stations spatiales et parviennent à y vivre et à se reproduire, atteignant le nombre de 4000. A desperate Abby reveals her husband's discovery to The Ark, causing some residents to volunteer for the culling. Murphy refuses to be a part of Jaha's mission but decides to leave the island with him when he sees that Emori is part of the boat crew. Meanwhile, Raven convinces Jasper to help her break into Pike's office to recover the confiscated chip manufacturer. Abby performs surgery on Raven to remove the bullet from her spine without any anaesthesia.
Clarke is haunted by visions of Finn. Echo tells Bellamy she is afraid of returning to the ground. As punishment for Kara and the guilty Skaikru involved in the coup, Octavia instructs them to fight to the death. At the end, Ark soldiers shoot and kill Anya and knock out Clarke, after mistaking her for a hostile grounder. Monty shows Octavia that the Hydrofarm is working again and they could grow crops elsewhere than the Shallow Valley. They eventually agree to share Arkadia 50—50 until Ilian blows up the ship and they all watch their last chance of survival burn to the ground.
Clarke escapes by killing her guard and runs. Clarke attempts to get A. Jasper, mentioning Finn, prompts a realisation that Raven has no recollection of him at all, and they leave the device where it is. Octavia tells Bellamy of a weakness of Indra's because she still doesn't want him to die. Monty rejoins Kane, Octavia, and a captive Bellamy at the dropship, but Pike's men capture them, and Bellamy offers to lead them to the rest of Kane's insurgents.
Octavia and Jasper discover Murphy's knife outside the wall with two fingers, which are Wells'. During the chaos, Abby struggles to treat a badly injured Kane with little time. Vinson attacks Kane and grievously injures him, however Vinson is slain by Abby. Arkadia can only house 100 people for the next 5 years to ride out the radiation. With over half The Ark's populace likely dead, they discover that there are survivors in an access bay to the exodus ship. Meanwhile, Clarke and Raven travel to Finn's bunker in hopes of finding a radio transmitter with which to contact The Ark, and Raven discovers Finn's involvement with Clarke. After heading to the crash site, they discover an injured Raven and Murphy.