Following a difficult case, the team faces the complexities of medical ethics. Meanwhile, Bailey continues to navigate her working relationship with Ben, while a group of college students on a scavenger hunt causes chaos around the hospital.

Cast: Ellen Pompeo, Chandra Wilson, James Pickens Jr., Kevin McKidd, Caterina Scorsone, Camilla Luddington, Kim Raver, Jason George, Chris Carmack, Anthony Hill, Adelaide Kane, Alexis Floyd