User blog comment:General MGD 109/Double Meaning Opening text/@comment-26976525-20151008195753

Up to this point, the plots dealt primarily with Nick’s personal journey. But now in Season Two the settings started to expand. We see machinations of the seven royal families, the Wesen Council of Wallenstatdt, and Grimm’s outside Portland. Stakes will affect the wider world. Just as Yeat's poem suggests the whole world is changing now and not for the better.

The “fairy tale” of that episode, however,  comes primarily  from Hamlet. The roles are:

Hamlet = Nick Burkhardt

ghost = Kelly Burkhardt (a ghost from out of his past)

 Rosencrantz and Guildenstern = two FBI agents

King Claudius = Sean Renard

Hamlet was sent on a ship to England to be killed. In Grimm however  the Mauvais Dentes come by ship to Portland to kill Nick.

King Claudius sends Rosencrantz and Guildenstern on the ship with Hamlet, bearing a letter to the King of England. Renard calls Nick into his office and tells him the two FBI agents are taking over the case and to turn over his case notes to them.

Hamlet changes the letter  during the sea voyage from reading "kill Hamlet on arrival" to read "kill Rosencrantz and Guildenstern on arrival." In Grimm the FBI agents take over the case and refuse Nick's help. Because of that interferrance the FBI agents were killed in Nick's place just as  Rosencrantz and Guildenstern were killed in Hamlet's place.