Despite the cuffs, Slade makes his move against Oliver on Arrow. "Deathstroke" is the 18th episode of the show's second season.

Sara might be talking to Oliver in this photo from "Deathstroke."

Oliver is leaning and waiting at the precinct in "Deathstroke."

Slade's not going down in one episode right? Is this him cutting deal in "Deathstroke"?

Moira is looking for answers in this photo from "Deathstroke."

Moira turning away from Oliver in "Deathstroke." News on Thea and Slade must be near.

Diggle, Sara and Oliver with Moira running up behind them. Is there news on Thea? "Deathstroke"

Did they catch Slade? Was Oliver just conducting business as usual while the police looked for Thea? Find out on "Deathstroke."

Lance looks awfully angry at whatever is going down in the precinct in "Deathstroke."

Is someone putting the cuffs on or taking them off of Officer Lance? Find out on "Deathstroke."

It's not business as usual because Isabel wants to get Queen Consolidated out of Oliver's hands. Tsk tsk!

What does Isabel have up her sleeve? She looks like a cat ready to pounce in "Deathstroke."

How much work has Moira been doing for Queen Consolidated? She doesn't look worried about Thea in "Deathstroke."

Oliver looks quite handsome at the offices of Queen Consolidated in "Deathstroke."

Hopefully Oliver is taking the time to read whatever Isabel is asking him to sign for Queen Consolidated in "Deathstroke."

Isabel and Oliver are conducting business at Queen Consolidated in "Deathstroke."

Oliver might try talking things over with Isabel. She's been running the business. Is it too late for words?

Oliver and Isabel face off across the long conference table at Queen Consolidated.

Oliver is at the office for once, trying to protect his family's business from Isabel's control in "Deathstroke."

Oliver has Isabel up against the wall -- literally. His emotions are getting the best of him.

Isabel Rochev (Summer Glau) returns for "Deathstroke," as she intends to take Queen Consolidated away from Oliver.

Oliver's world starts to crumble when Slade gets his hands on Thea. What's next?