一个数学天才学生有了关于质数的巨大发现，可以让他进入全世界所有的电脑，安保、银行、政府数据都囊括，“你知道你现在多有价值、多危险吗？”阴谋和危险接踵而来，而“我想要反击”。
千里追凶，生死营救！宁波绑案子弹擦身惊魂，耒阳行李箱藏童惊天，真实罪案全程拆解，步步惊心。
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.
改编自作家Zezeho的同名小说，讲述了濒临死亡边缘的少女KliaoKliuen被神秘女子所救，多年后再次与神秘女子相遇，才知她的名字叫Karan，是医院的心脏外科医生，然而Karan却否认相救之事，为了解开谜团，二人的爱情故事由此展开。
