Blue Whale - Season 1 Episode 12 Vertigo
Overview: Armin feels that he is in serious danger after the avalanche and the loss of Anahita, so he will use all his mental powers to answer the question of who hit the avalanche. In this way, the people around her come together like the verbs of the puzzle, and they come up with a plan that at first glance intensifies her dizziness, but then leads her to a bigger puzzle...