A young artist wakes up in a life that she doesn't recognize, spending her time asleep haunted by nightmares of drowning in a black abysmal void. As she begins to uncover the truths of the life that she's found herself in, the gravity of her failing reality weighs heavily on her psychological identity and the reliability of her sanity is called into question....
Without warning, millions of mysterious alien "doors" suddenly appear around the globe. In a rush to determine the reason for their arrival, mankind must work together to understand the purpose of these cosmic anomalies. Bizarre incidences occurring around the sentient doors leads humanity to question their own existence and an altered reality as they attempt to enter them....
杰克（哈里森·福特 Harrison Ford 饰）曾是中情局的一名情报员，在一次度假中，他偶然目睹了一场以北爱尔兰国务大臣霍姆斯（詹姆斯·福克斯 James Fox 饰）为目标的恐怖活动，职业习惯让他无法对此坐视不管，在杰克的协助下，恐怖份子米勒（肖恩·宾 Sean Bean 饰）被捉拿归案，杰克也得到了赢得的奖赏。
虽然行动失败了，但恐怖分子们并没就就此罢休，而是决定再干一票，此时已经越狱成功的米勒主动请缨加入行动，他的脑中只有一个念头，那就是向杰克寻仇。很快，敏感的杰克就发现自己和家人正处于极度危险之中，为了捍卫国家和平，更为了保护自己的家人，杰克回到中情局，重操旧业。...
Written by Daragh Carville (Being Human), the third season introduces us to Lisa Armstrong’s replacement, DS Jenn Townsend, who struggles to balance her family’s house move alongside the pressures of her new role....
艾利克斯（尚格·云顿 Jean-Claude Van Damme 饰）和查德（尚格·云顿 Jean-Claude Van Damme 饰）是情同手足的孪生兄弟，然而，童年时代的一场意外不仅让他们永远地失去了父母，还令手足失散分散两地，查德跟随老管家来到了巴黎，而艾利克斯流落香港变成了一个古惑仔。
多年过去，查德看到了艾利克斯的照片，终于发现了他的踪迹。激动的查德千里迢迢赶往香港，想要和兄弟重聚。然而，令查德感到震惊的是，他发现当年杀害自己父母的凶手，竟然正是艾利克斯的死敌。可是，对于兄弟重聚，艾利克斯却并不像查德那样充满了喜悦，正相反，面对这个处处都比自己优秀的多的男人，他感到了深深的危机。</p>...
