And Justice for All threw everything at the wall and never slowed down for our comfort.

And maybe spy novels are the next big thing since Castle is having trouble musing without his muse.

I have the same relationship Rick does with that unfeeling, blinking cursor, so I get it.

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Credit: Mitch Haaseth/ABC

On Becketts suggestion, he drops by Richard Castle Investigations to annoy Alexis and Hayley for a while.

(Your fearless leader has arrived.

Go file these.)

Imagine the punny title for that Nikki Heat novel.

The snakes he cared for didnt kill poor Eddie Ramirez, but they certainly helped obscure his body.

The nighttime caretaker was bludgeoned with a snake hook.

(Note: This episode moves past the reptile element a little too swiftly for my liking.)

Do you work here?

What is yourjob?)

Their teacher warns Rysposito that Eddies classmates are wary of law enforcement, and its true.

Beckett reconsiders Castles offer and sends her linguistic expert in undercover.

Ladies and gentleman, Jean Luc, French Canadian chef and friendly adult student.

Castle distracts the instructor and rifles through a stack of assignments.

He finds one whose language structure parallels the text.

Alistair Gascoyne is brought in for questioning.

If only Rysposito could understand a word hes saying.

(Pop culture benchmark: The British version ofJersey Shoreis calledGeordie Shore.

Take from that what you will.)

The source of his anger?

Eddie borrowed Alistairs gypsy cab and returned it riddled with bullet holes.

Alistair thought Eddie didnt show up to class the night of his death to skip out on reimbursing him.

Eddie had been a cop in El Salvador but lied on his immigration forms.

The bartender tells Beckett that Eddie handily trounced the brothers and demanded that aforementioned briefcase of cash.

He was working on someone elses behalf, though; hed mentioned an ex-waitress mid-asskicking.

That former employee is Ida, the Senegalese painter Jean Luc met in his first day at ESL class.

Shed been exploited by the brothers for the two years shed worked for them.

Eddie didnt like this one bit and promised hed get what she was owed.

Achmed had told Eddie about a neighbor of his whod went missing.

Anita Rodriguez was undocumented and at someones financial mercy because of it.

Eddie looked into it on Achmeds request and told him that what he found amounted to a conspiracy.

He knows no more.

A print at the missing womans apartment leads to Marco Sutter, a career criminal for hire.

He gives Rysposito a time of it, but they eventually get him into custody.

Sutter, a pro, lawyers up immediately.

All the detectives have to go on are his effects, including a key to a bus station locker.

Beckett is unimpressed by his bravado and well aware that she and her reports arent powerless here.

She stands her ground and offers to cooperate if the FBI will do the same.

Bluff called, Napier backs off.

Napier wont reveal the real target of their investigation, but Beckett works that out soon enough.

Vikram finds Anita Rodriquez in a deportation holding center in Texas.

The order that put her there was signed off by a Judge Jason Caldwell.

Caldwell received kickbacks from the Texas facility for sending them undocumented individuals.

Eddies murder occurred right as the FBI was building its case.

NEXT: America, is it worth the effort?

The NYPDs hands are tied, but Castles arent.

Id love to have seen the diagrams Castle almost certainly had drawn up.

A series of distractions ensures that Castle will get to Caldwell first.

And then things escalate quickly.

She shoots Castle when he plays dumb, and Caldwell predictably freaks out.

I promise I didnt kill him, the judge says.

I didnt have to.

Their remarkably insane plan falls down when Caldwell sees the source of the fake blood inside Castles shirt.

He brushes past them muttering, The enemy of the enemy is my friend.

Caldwell caught wise to the laws suspicions and made himself untouchable.

Hes as dismissive of them and their rights as Caldwell is.

Caldwells hint sends the cops back to Eddies past.

The man is genuinely surprised to hear of Eddies death.

(You know what this means, Beckett?

After all these years I finally get to say it:Jaccuse!)

In your position I would have done the same thing, Castle says.

No, I wouldnt have; I have a soul.

(Ehhh, why not?)

In the words ofCluelessteacher, Mr. Hall, Tolerance is always a good lesson.

Discomfiting too are Castles sudden mental vacations to his unexplained disappearance.

His memories are first jogged by a taste of his classmates proffered potluck dish.

Hes instantly transported to a Korean restaurant.

At first, he thinks the temple that he sees lies outside the window.

But a later flashback shows him that its a picture hanging on a wall.