Mike and Louis need to ID an anonymous tipster in order to diffuse a damning piece of evidence; and Gibbs sets her sights on Jessica and Harvey as well as Mike.
Harvey and Mike lock horns over trial strategy and how to defeat Gibbs.
Mike wants to represent himself at trial, but Harvey thinks he should lead the charge; and Louis' efforts to remove Sheila from the picture backfires.
And who outed him?
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