In a world where humans, minuscule and fragile, coexist with colossal giants, Tessa Moore, a human teenager, is uprooted from the safety of her segregated home. Forced to move to the giant quarters with her mother, who is marrying a giant, Tessa must navigate a terrifying new reality filled with immense structures, overwhelming sounds, and the constant threat of being crushed. Can she overcome her fear and find her place in this bizarre, oversized world, or will she be forever defined by the stark difference in size?