Tara Shayne

Rossi and the team present one of the longest-tenured serial killer cases to college students, and they take the class through a nearly 20-year chase for the murderer. Mackenzie Astin guest stars.

Meredith, Derek, Cristina and Arizona receive big news regarding the plane crash lawsuit, Richard avoids Catherine’s romantic advances and Jackson takes on one of Mark Sloan’s old patients. Meanwhile, Derek begins recovery on his hand.