Sander Joon’s Sierra is a completely wild and unhinged work of animation about a son trying to connect to his controlling and manipulative father. The animation is playful, surreal, and chaotic – yet it’s always fun and engaging. There’s something so sad and truthful about the ways the son remakes and transforms himself to please his father but is unable to change back once he has fully become what his father has always wanted him to be. And it’s something of a small cinematic miracle that, in spite of how dark and tragic the film’s trajectory, it still manages to end on a somewhat hopeful note.