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。

　　In the fourth season, Sisi challenges the best jockey in Bavaria to a grand horse race to save the family’s estate, Castle Possenhofen, after the death of her father. Back in her homeland, she comes across dark family secrets and ultimately must ask herself where she really feels at home.

　　In the fourth season, Sisi challenges the best jockey in Bavaria to a grand horse race to save the family’s estate, Castle Possenhofen, after the death of her father. Back in her homeland, she comes across dark family secrets and ultimately must ask herself where she really feels at home.

莫里茨在监狱服刑 4 年后获释。他终于可以起始,开端,肇始,启始自己的生意了（这次是合法的！）。但与他的商业计划不同，世界已经在他离去,分离,离别,离别,分别,分离,别离,分散,远离,分离期间出现,产生,形成,酿成了变化，丹尼尔将 Bonus Life 发展成了一家成就,胜利,凯旋,成果的营养补充品初创公司，并且跻身 30 岁以下年轻企业家前 30 名榜单，过着莫里茨一直渴望要的日常,生存,生计,日子。莫里茨很恼怒,动怒,愤怒,气恼！当他得知莱尼不仅在 Bonus Life 职业,事业,工作岗位,职责，而且还拥有该公司的一半股份时，毫无疑问：莫里茨必须重新掌控 Bonus Life，并且是不惜一切代价。