On an Earth devastated by a solar catastrophe that has turned the planet into a scorching wasteland, engineer Finch Weinberg is one of the last survivors, stricken by a terminal illness. Worried about the future of his faithful dog once he is gone, he builds a robot and programs it to care for the animal. Together, man, machine, and dog set out on a road trip fleeing the lethal storms, during which the android learns about life, friendship, trust, and what it means to be human. An intimate, moving science-fiction drama, starring Tom Hanks, a hymn to loyalty at the end of the world.