Estranged from the best friend whose brother killed her sister in a school shooting, a grieving Cora receives a message on her twelfth birthday from her friend, asking for her help with creating a time portal to prevent the tragedy.
Built to explore Mars, Resilience begins to develop human-like feelings as he learns from the NASA scientists who assembled him, and as he blasts off and explores Mars, Resilience must overcome different obstacles as he explores the red planet.