故事围绕德国最古老的智能家居展开，这座房子自从50多年前其主人在神秘情况下去世后一直空置至今。当一个家庭终于在现代搬进来时，电子家庭助手卡桑德拉从长达数十年的沉睡中醒来，决心利用她所能掌握的一切资源，确保自己不再被孤单遗弃。...

Season 3 follows the fortunes of a young U-boat crew as they engage in the Battle of the Atlantic, are hunted down by an obsessed Royal Navy Commander (Ray Stevenson) and are sent on a dangerous missi...