Aggiungi una trama nella tua linguaA group of 21st-century colonists inhabit the underwater city called Pacifica. They find they must defend the city against hostile alien forces.A group of 21st-century colonists inhabit the underwater city called Pacifica. They find they must defend the city against hostile alien forces.A group of 21st-century colonists inhabit the underwater city called Pacifica. They find they must defend the city against hostile alien forces.