Personality & Traits: Alex is a highly intelligent, nerdy, and deeply insular 13-year-old boy. He is intensely obsessed with astronomy, space travel, and science fiction pop culture. Cuts himself. Personal Trauma: He struggles with debilitating anxiety, a severe fear of heights, and social reclusion. This behavior stemmed from the traumatic loss of his father, who tragically died in a fire.The Summer Camp: To push him out of his shell and force him to interact with peers, his mother enrolls him in the "Rim of the World" outdoor summer camp in Southern California

Origins: She is a fierce, independent runaway from China who smuggled herself onto a flight to America.Motivation: Carrying only a mysterious tourist pamphlet, she travels across the world to reach a highly specific, undisclosed location. Her journey leads her to the "Rim of the World" adventure summer camp in southern California.Personality: Zhenzhen is quiet, highly resourceful, and possesses a "bad girl" or "street rat" exterior. She struggles with language barriers initially but quickly adapts. She rarely speaks at first, making her an enigmatic figure among her peers, but she possesses extreme bravery and practical survival skills. She is thirteen/13. Pushes her pain down and emotions down.

Dariush is a fourteen-year-old, wealthy, and self-centered boy who is sent to summer camp by his parents right before his father faces prison time and they lose their fortune. Personality: Dariush initially comes across as a spoiled, loudmouthed, and materialistic brat. He uses bravado and humor to mask his insecurities regarding his family's sudden downfall and impending legal issues. Tries to joke and humour everything.

Personality: He initially comes across as a tough, independent "bad boy" archetype, but he ultimately shows a deep capacity for trust, leadership, and heroism when the stakes are high. He is thirteen.