With the revelation that he may not be Ozai's son after all, Zuko feels the need to find his mother more than ever. Despite the Fire Lord's jubilation, Aang knows that the truth of Zuko's paternity could cost him his right to rule the Fire Nation.
Meanwhile, Team Avatar's arrival in Hira'a heeds answers concerning the man mentioned in the letter, Ikem, who is rumored to have retreated into Forgetful Valley after Ursa left. At the same time, the flashbacks to an earlier time in the Royal Family's life continue, revealing further information about Ursa's disappearance and tying ever more into Zuko and Azula's search. Will they find the man they are looking for in Forgetful Valley, or will they discover an entirely different face of the forest?