Who: Reno, Tseng and anyone else who feels like joining.
When: After Tseng's arrival (in the middle of the Heartless attack).
Where: Outside The Hotel That Never Was.
What: Reno and Tseng are trying to figure out a mass load of things.
Warnings: Probably some major Advent Children spoilers. (Only from about 1/4 in to the movie)
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Confused yet? )