在第二季的爆炸性事件之后，联调局特工彼得·苏德兰奉命追捕一名年轻的财政部探员——此人杀害上司后携敏感政府情报逃往伊斯坦布尔。由此展开的调查中，彼得一边追查黑钱网络，一边躲避雇佣杀手的追杀，更事与一名执着的记者走向了激烈对峙。两人联手揭开尘封的秘密与旧怨，这些阴谋足以令政府陷入瘫痪，而他们自己也在调查过程中身陷致命危机。
主持人吉米·多尔蒂走进英国自然历史博物馆的幕后，与博物馆工作人员进行近距离交流，探索该馆浩瀚藏品的秘密。 博物馆幕后是如何运作的？为何要保存7000万余件标本？馆中科学家们的研究工作，与当今世界有何关联？他们为保护生物多样性、防止热带传染病，又做出了何种贡献？
A 16 year old Carol is going through a period of major changes in her life. On the one hand, Carol has to deal with her mother's marriage to her new boyfriend and the impending relationship with her future stepbrother. On the other hand, a new school year begins in high school, in which Carol starts her first real relationship and experiences various situations with her long-time friends that also put their friendship to the test. Carol faces the typical challenges of being a teenager and experiences feelings that she has never felt in this form before and learns that the first step to happiness is to know yourself and also to respect your own feelings, even if you are makes one or two mistakes on the way there
