The episode features the primary Attack on Titan: Season 4 cast : : Yuki Kaji Mikasa Ackerman : Yui Ishikawa Armin Arlert : Marina Inoue Hange Zoë : Romi Park Zeke Yeager : Takehito Koyasu
Flashbacks reveal that two years prior, a representative from the nation of Hizuru, Kiyomi Azumabito , visited Paradis. She proposed an alliance brokered by Zeke Yeager to modernize the island's military in exchange for rare "Iceburst Stone" resources. Shingeki no Kyojin: The Final Season Episode 10
The alliance hinged on a plan to protect Paradis: Maintain the "Rumbling" as a deterrent. Modernize Paradis's military with Hizuru's help. The episode features the primary Attack on Titan:
In the present day, Historia is shown to be pregnant, which effectively delays the military's plan to have her inherit the Beast Titan immediately upon Zeke's arrival. Modernize Paradis's military with Hizuru's help