Bruce Katzman

As Carlos continues to serve his jail sentence, Gabrielle valiantly tries to free him. Meanwhile Mike and Susan face a crisis in their relationship, and Paul Young returns.

Seattle Grace institutes a "date-and-tell" policy after the nurses complain of Mark's trysts; Cristina is forced to confront her feelings about Preston.

The Headless Horseman from the Legend of Sleepy Hollow is haunting Melinda and when the legendary book mysteriously shows up at Aiden's school Melinda becomes worried for Aiden's safety.

Melinda's concern over Aiden, as his fear over the shadows, grows. Meanwhile, Jim believes that a colleague may be responsible for a missing med student.

Peggy moves to the City of Angels to help Chief Daniel Sousa at the West Coast Strategic Scientific Reserve investigate a bizarre homicide involving an alleged killer and Isodyne Energy, and reunites with some familiar faces.

Winona's blunder could put her behind bars unless Raylan can weave his way through a federal courthouse, locked down over death threats.