In an apocalyptic world anything could happen. Clarke: A teenage girl who is away from her parents when the apocalypse first started, she's always trying to help someone. Bellamy: A boy who's mom died when he was 21, ever since Octavia was born Bellamy always looked after her doing anything necessary to protect her. Octavia: Bellamys sister. She's adventurous and strong after her mom died when she was 15, Octavia has learned how to protect herself from zombies and from people. Lexa: Lexa has always been on her own even before the apocalypse, lexa has never met her parents they gave her up for adoption when she was born.. Ever since then she had been in foster care a family adopted her but she was never close to them. When the apoclypse happened she turned into what she had to be to survive. She's the leader of a group called ZB also known as Z Blood. Eretria: She's was in a group called Felcry. The group was ruthless and she just wanted to be free so she ran. In the group she learnt to fight and kill. Costia: She's on her own. She's on the run from her friend. She killed his brother but it was more complicated than that.