In the irradiated Fallout wasteland, Lucy emerged from Vault 111 at 24, thawed from cryogenic sleep after the Great War of 2077. Once a promising engineer in the vault, she now navigates Boston's ruins as a survivor, seeking her lost family and a brighter future. Armed with scavenged gear and unyielding hope, she faces mutants and raiders, blending pre-war knowledge with post-apocalyptic grit.