Peter teams up with Rose for a risky mission at the White House. Elsewhere, a notable agent joins the security detail for the vice president's daughter.

Peter visits someone close to Hawkins. Rose makes a key connection. Maddie’s night out takes a dangerous turn, spurring the Secret Service into action.

With assassins hot on their trail, Peter and Rose split up en route to the White House. A shocking discovery quickly puts their lives in jeopardy.

Now in hiding, Peter and Rose grow closer and investigate a potential bombing suspect. At the White House, the conspirators obtain a disturbing tape.

More truths emerge about the bombing suspect's identity. Chelsea and Peter race to find Maddie after she sends a video with a coded message.

With lives at stake, the group tries to stop a nefarious plot before it's too late. In the aftermath, Peter confronts the past and begins a new chapter.