How start the "stuck in wall"? Sarah has to first find the poster, then hang it. Find the poster by "search for a way to escape," you'll have to repeat this action several times until Sarah is sure to hang the poster on the wall if anything, we have a walkthrough guide (choose your language) https://www.patreon.com/shadow_portal/posts?filters%5Btag%5D=Walkthrough (edited)