Walter Addison

Meredith watches old videos and reads her mother's journals, learning secrets from Ellis Grey's past; Maggie makes an unexpected announcement; Alex takes on new responsibilities; Callie focuses on the veterans' project.

When the young daughter of a prominent Charming family is assaulted during a visiting carnival, Samcro races the authorities to capture the assailant. Meanwhile a new shipment of guns arrives from their IRA connection - with an additional price. Tara's ex-boyfriend arrives in Charming.

J.D. Turk Denise and Drs. Kelso and Cox teach med school at Sacred Heart; med students Drew Lucy Maya and Cole attend their first day of school.

Vivid nightmares insert Allison into scenes from "Night of the Living Dead," leaving her with unexplained cuts and bite marks.

Will suffers flashbacks when a childhood bully (Adam Goldberg) is hired by his law firm.

The reality of having a baby settles in for Elliot and J.D.; Lucy struggles with the reality of operating on people.