Modern special police officer Lana Grant transmigrates to an ancient world as a stepmother. Husband conscripted, leaving two children. Lana driven from Yates Clan. Obtains spatial system 006. Using space supplies and intelligence, she earns money fishing, gathering, hunting. Upgrades space, improves her and children's lives, buys farmland/house, protects property, cuts ties with Yates Clan. Faces crises, protects children, builds a home.