She’s still armed. He’s still dangerous. And their chemistry is hotter than ever. Season three finds both Richard Castle and Detective Kate Beckett pursuing romantic options of their own. Their signals may be crossed, but this duo hasn’t lost any of their spark. With Beckett’s intrepid police work and Castle’s uncanny insight, solving murder has never been so much fun.

Prepare for a season full of suspense as Castle works to identify Beckett's shooter while Beckett struggles with the aftermath of her near-death encounter. All the while, the duo tackles a new batch of New Your City's most interesting cases.

华盛顿特区举行的一次博物馆招待会上，一个远古的头像雕塑发出了邪恶力量的召唤，博物馆的一名工作人员着了魔一般拿着利器冲向刚刚进来参观的美国总统，特勤局特工Myka（乔安妮·凯莉 Joanne meiju5.net Kelly 饰）和特工Pete（埃迪·麦克林托克 Eddie McClintock 饰）临危不惧，保护了总统解决了石像危机。两人事故当晚接到了Frederic夫人（希·庞德 CCH Pounder 饰）的委任状，作为搭档先后前往南达科他州的一处不毛之地执行任务，任务执行的期限是——没有时限。这个顶级机密的地点被叫做的地点被叫做Warehouse 13，这个地方原来是个巨大的仓库，而仓库内保存的东西都是一些非常奇特的“艺术品”，这些艺术品都是从各地收集而来，而这两位特工的新工作寻找具有“未知能力”的艺术藏品。

瑞克团队将会去新的地方。而卡萝尔、泰尔西和贝丝还会呆在野外，他们没有和其他人被困在一起。

This season, everyone is faced with a dilemma that forces them to tell the truth or keep a secret. Best friends Amy and Karma struggle with figuring out their relationship after Amy revealed her true feelings for Karma.  Questions are answered – will Karma find out about Liam and Amy's hook-up?  What will happen to 'Karmy?' Will Liam and Karma get back together? What are Lauren's pills for? Can Shane really be in a celibate relationship?

Now a fugitive on the run, Liz must figure out how to protect herself from the fallout of her actions in the explosive season two finale.

Kara Zor-El, Superman’s cousin, decides to finally embrace her superhuman abilities and become the hero she was always meant to be. Though Kara will need to find a way to manage her newfound powers with her very human relationships, her heart soars as she takes to the skies to fight crime.