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Beauty and the Beast
19岁的Catherine亲眼目睹了母亲惨死，自己则在神秘物种的帮助下逃过一劫。多年后她当上了调查谋杀案的女警官。在调查某一起谋杀案时，其中一条线索将她引向了早该死于阿富汗的医生Vincent。随着对案件的追查，她渐渐了解了真相：Vincent就是她的救命恩人，因被注射某种药物而变成了一个半兽人，在被激怒时候会变成野兽。Catherine答应Vincent为其保守秘密，但他必须要告诉她关于母亲之死的线索。从此开始，两人之间复杂的关系开始萌芽，即相互吸引，彼此却又心知肚明这样的关系只会给两个人带来危险......
Vincent and Cat’s wedded bliss comes to a halt when they learn from J.T. that someone is trying to expose the identities of beasts. While on the hunt to find out who is behind the threat, Tess is reluctant to help since they are all trying to move forward with an attempt at normal lives.
As Cat and Vincent hunt for a black market buyer searching for beasts, they have to protect an heiress whose identity was exposed. Cat and Vincent realize how much they have to lose if Vincent's true identity is revealed.
While attempting to be normal newlyweds, Cat and Vincent grapple with how to overcome the danger lurking. They find themselves in the fight of their lives when their happiness becomes jeopardized.
While working to uncover who is after Vincent, Cat discovers she might be pregnant. A lead Vincent follows puts his life in jeopardy. Meanwhile, J.T. gets kidnapped in a case of mistaken identity.
Vincent and Cat realize they have to go into hiding now that someone is out to kill Vincent. Vincent wonders if Cat would have been better off without him and gets a glimpse into exactly what her life could have been.
Vincent and Cat discover that there is another nemesis out to get Vincent, which brings the gang closer together in more ways than one. Cat and Vincent are forced on opposite sides of the law, which puts their relationship in jeopardy.
With Vincent in hiding and Cat's job on the line, they must re-group about how to bring down the people hunting beasts. Vincent tries to infiltrate a private army, while Cat scrambles to obtain information and hopes that no one at work discovers her ulterior motives.
Vincent goes undercover with a sexy operative, who Cat discovers is an assassin. Vincent has to play both sides, while Cat has to convince DHS she can still be trusted.
Vincent and Cat fight to reclaim some normalcy to their lives, even as the threats of a beast bounty and a DHS manhunt loom. Meanwhile, Tess takes a huge risk by protecting Vincent from a nosy reporter.
Vincent is forced to undergo a series of tests orchestrated by the mystery buyer in order to keep from being exposed. Cat, JT and Heather work to exonerate Vincent.
When Vincent and Cat discover they lost control of their secret, they finally admit it might be time for life on the run. Vincent realizes he must face his past, while Cat worries about how much they have to lose.
Cat and Vincent face a huge setback when Vincent is secretly interrogated about an impending attack, putting Vincent at his breaking point.
Vincent and Cat are prepared to make the final sacrifice to halt an attack and eliminate beast makers from the world once and for all.
