Cristina imagines the two routes her life can take based on one decision she makes. Meanwhile one of the hospital's patients decides whether or not to live.

Cristina is nominated for a Harper Avery and although most of her fellow doctors are ecstatic, she won't let herself get too excited. Bailey continues to work on a young boy without an immune system -- Alex considers making a change, and Derek and Callie work with a machine that can recognize emotions. Meanwhile, Richard gives the residents a pep talk about the exciting projects going on around the hospital.