While Korra is struggling with PTSD by the metal poison Zaheer injected in her, she sets off on a journey to try to connect with Raava. Amidst all of this, Tenzin and the others realize that Korra has gone missing after 6 months.
Korra returns to Republic City and Team Avatar faces their first mission together in three years when Prince Wu goes missing. Bolin and Varrick are on the lam.