A Librarian from the past time travels to the present and finds himself stuck here. When he returns to his castle, which is now a museum, he inadvertently releases magic across the continent. He is given a new team to help him clean up the mess he made, forming a new team of Librarians.

100 years in the future, planetary colonization missions have begun as a necessity to help secure the survival of the human race. The first of these missions on a spacecraft known as Ark One encounters a catastrophic event causing massive destruction and loss of life. With more than a year left to go before reaching their target planet, a lack of life-sustaining supplies and loss of leadership, the remaining crew must become the best versions of themselves to stay on course and survive.

Alex Walker(克里斯蒂安·凯恩 饰)曾经是美国缉毒局最足智多谋的卧底特工，但他搭档的背叛和一场危及生命的战斗使他被迫提前退休。现在菲律宾的一个热带小岛上的豪华度假酒店经营礼品店，但岛上的豪华度假胜地吸引了来自世界各地的富有、强大、有时甚至是犯罪分子的精英，他们经常与Alex发生冲突。尽管他尽了最大的努力开始一种平静的新生活，但他还是回到了危险和致命下的世界，无论是通过他在当地警察的朋友，还是从他以前的生活中遇到的人。问题是他喜欢这样。

《都市侠盗》的第二季已经完美收官，但是Nate被捕，小组乘直升机被迫离开这样的结局却始终纠结人心。TNT早已宣布预定第三季，将在今年夏天回归。
在第三季的开幕片，我们将欢迎一位固定演员的家人，他就是饰演Hardison的Aldis Hodge的哥哥艾德文·霍德吉(Edwin Hodge)。他将饰演一位会计师，曾经因为很小的交通罪而被关进监狱。但在狱中，他被指证杀害了另外一名囚犯，而恰巧，刚刚被抓获的Nate和他被关押在了同一所监狱中……