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.

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

Willow uses magic to try to rouse Buffy out of her catatonic state after Glory kidnaps, and then disappears with, Dawn.

Glory finally realizes Dawn is the Key, and Buffy surprises her friends by telling them their best option for staying alive is to leave Sunnydale.