Summary

In each of the three "Dark Knight" trilogy films, the villains make an attempt to destroy Gotham City from within. In "Batman Begins," one of those villains is Doctor Jonathan Crane/The Scarecrow (Cillian Murphy) . The head of Gotham's Arkham Asylum, Crane is obsessed with fear. With ingredients provided by the League of Shadows, he's manufactured a "fear toxin" that can drive anyone exposed to it to terror.

AI summaries can be wrong sometimes—always verify important details using the source article.