The Walls of Heaven, a video-essay film by Kadir Kayserilioğlu, begins with Kayserilioğlu's newfound hobby of terrarium building and transitions into a wide range of topics. The film explores topics ranging from hobbies and pet care to discussions on necropolitics, presenting viewers with surprising insights into consumer culture and the history of technology. The narrative is complemented by glimpses of activities from simulations and games, the life cycles of insects in terrariums, and selected personal experiences of the artist.