A clue from the Turk about the Book of Leaves sends Leonardo to Wallachia, where he encounters Vlad Dracula. Lorenzo and Piero meet the Duke of Urbino. The search for the true spy continues.

The Whispermen approach Clarence DeMarco in jail providing him with the coordinates to Trenzalore.

Muscle Man tries to save his trailer after it fails a health inspection.

Longworth must delve into a 150-year-old ghost story to solve a murder when the dead body of an heiress is found in a haunted plantation house.

From "Iron Man 3", actor Sir Ben Kingsley; from "Arrested Develoment", actress Alia Shawkat.

The final 8 remaining artists perform live in front of coaches Adam Levine, Blake Shelton, Shakira and Usher for America's vote.