Korra seeks Tenzin's help to enter the Spirit World for the first time. However, their attempts prove to be futile until Jinora comes to Korra's aid. Meanwhile, Mako and Asami rekindle their relationship, though Mako's investigation into Varrick's affairs lead to the firebender's arrest.
Elenco: Janet Varney , J.K. Simmons , David Faustino , Aaron Himelstein , Adrian LaTourelle , Aubrey Plaza , Chris Hardwick , D.B. Sweeney , Daniel Dae Kim , Darcy Rose Byrnes , Dee Bradley Baker , Eva Marie Saint , James Remar , John Michael Higgins , Kate Higgins , Kiernan Shipka , Lance Henriksen , Lisa Edelstein , Logan Wells , Maria Bamford , Mindy Sterling , P.J. Byrne , Seychelle Gabriel , Steve Blum .