The ultimate "smoking gun" was a bassoon cleaner found in Tim Kono's apartment, which Mabel eventually connects to Jan.
" Open and Shut " (Season 1, Episode 10) is the explosive first-season finale of the Hulu hit series . [S1E10] Open and Shut
The finale leans heavily into the history and hidden passageways of the Arconia, showcasing how the building itself is a character in the story. The Final Twist The ultimate "smoking gun" was a bassoon cleaner