MacGyver and the team attempt to rescue Sarah, Jack’s former CIA partner/ex-girlfriend who went missing in Venezuela after she obtained evidence to take down an international arms dealer.

Continuing from the season premiere episode, Beckett races against time to find a stolen toxin capable of killing tens of thousands of people. To make matters worse, Castle was exposed,…

Last season ended with Beckett wrestling over whether to take a high-profile job in DC — a dilemma made more complicated when Castle proposed to her. In the Season 6…