Kate puts her best foot forward after pillow talk with Hal forces her to face hard truths, and Vice President Penn offers a blunt lesson in geopolitics.

Vice President Grace Penn arrives in London with an agenda — and advice — as fallout from Roylin’s bombshell affects Kate’s relationship with Trowbridge.

Kate proposes a unique solution to the Roylin problem. A risky plan unfolds at the prime minister’s event in Scotland. Stuart confronts his feelings.

A lavish Fourth of July party gives Kate a chance to help Dennison, who sees an opportunity after the prime minister’s announcement about Lenkov.

Eidra helps sneak an unannounced guest into Grove’s funeral, Kate realizes she might have made a bad call before the bombing, and Stuart speaks his mind.

After rushing back to London, Kate shares her suspicions about the bombing. The search is on for Lenkov — and Roylin. Eidra delivers devastating news.