All the Lonely People

S4 E17: Devastated by the decision of his medical school advisor, a desperate Reid (recurring guest star JUSTIN BALDONI) tries to commit suicide. Ephram rescues him but can't forgive himself for missing the signs of Reid's depression. Meanwhile, Dr. Brown and Nina find themselves in a compromising situation when Nina admits she may still have feelings for him. Trying to win Rose's forgiveness, Dr. Abbott buys her a necklace, but Bright takes it and tries to give it to Hannah (recurring guest star SARAH DREW) as an apology for his affair. In the U.S., a public service announcement regarding teen suicide airs at the conclusion of the episode.