Lily Knight

When a girl is found covered in blood and holding the murder weapon that killed her best friend, she becomes an obvious suspect, though she can't remember anything. But Jane, believing she's innocent, engineers a risky maneuver in which she must relive the terrifying events in order to spark her memory.

A patient's condition leads to a conversation about Alzheimer's disease between Maggie and Richard; Jackson and April try to return to normalcy; Arizona realizes that Callie is moving on; Meredith reveals her fears.

Sister Mary Eunice is terrified to discover a dark angel has descended on Briarcliff. Kit makes a bold move to be reunited with Grace.

The Dubois family changes permanently when Allison and Joe start new careers that take them in different directions.

Benton and Corday go on a date to play darts. Carter must make a tough decision when he works to save the life of a serial rapist. Hathaway helps Weaver deliver a mentally challenged couple's baby.

Zelena and Arthur cross paths with Merida, who is attempting to settle a debt; flashbacks reveal Merida's combat training.