The episode starts with D.C. Dollhouse programmer Bennett Halverson continuing to torture Echo, noting she is just a shell as she is not cursing, praying or even passing out.
Adelle then makes Lipman agree that Topher must inspect Echo, also as a part of protocol.
Back in the L.A. Dollhouse, Victor has been imprinted with Topher's personality and is nervous about his current situation.
Eventually Adelle, under the pretense of a sexual advance, threatens to send an active to castrate and kill Lipman unless he releases Echo.
Echo and Perrin, now in the real world, are trying to get away and remove their tracking devices in a restaurant bathroom.
There he relives the moment he met Cindy, his future wife and handler and wonders if it really happened or it was a false memory.
Perrin arrives at the Senate Inquiry to reveal the truth, but his imprinting kicks in and he tells the Rossum cover story instead.
He states that the Rossum Corporation has been set up by competing companies, who have killed his wife with a car bomb.
He also presents forged documents showing that Madeline (once known in the Dollhouse as "November") was in a mental institution for the past three years.
Back in the L.A. Dollhouse, Boyd reports that Echo is simply gone while Ballard is still missing without trace.
Worse still, Topher has discovered that Perrin has been programmed so that he'll eventually run for president, thereby allowing Rossum to place someone at the very top of Government.
Meanwhile, Madeline is brought to the D.C. Dollhouse and put back into service permanently as Bennett speaks of her understanding the betrayal she's suffered.
Jevon Phillips from Los Angeles Times said of "The Left Hand" that it was "SO GOOD that it creates a kind of melancholy knowing that this too will end.