Liz meets the man of her dreams; Jack's love triangle comes to a head; Kenneth tries to avoid a promotion that would send him to Los Angeles.
Liz uses her newfound confidence to solve Pete's problem with a difficult editor (Paul Giamatti); Jack tries to cheat mortality; Tracy vows to be present when his wife gives birth.
The investigation into a college dropout's death leads Al and Carrie to an off-the-grid community located on an abandoned island.