When clues to a murder point back to an old case, Castle finds himself back at the 12th precinct to consult.
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At least it looks as though Rick and Kate are working the case together, despite Castle being banned from the precinct.
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Is that the wayward husband that Castle's been hired to follow? Is he more than just unfaithful, could he be a murderer as well?
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Rick really doesn't need those binoculars when the person he's following gets that close. It looks like Rick's been busted.
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It looks as though Richard Castle, Private Investigator finally has a real case that will allow him to use his fun gadgets. He must be thrilled.
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Rick enlists Kate's help when he witnesses his client's murder but has no evidence to prove her husband was the killer on Castle. "I, Witness" is the 13th episode of the show's seventh season.
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So which is it? Has Castle wormed his way back into the investigation or is seeing him here with Beckett some sort of a fluke.
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So is Esposito filling Castle in on the case or telling him that he still can't be a part of this investigation?
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Castle Quotes

Sometimes the hardest things in life are the things most worth doing.

Castle

Castle: You're not alone in this. I'm here.
Beckett: I know.