First, I need to decide on the genre. Since it's not specified, maybe a mix of drama and sci-fi could make it interesting. Urban settings often allow for a lot of creativity. Maybe a near-future setting where technology is more advanced but there are underlying issues.

Sci-Fi Drama / Techno-Thriller

As the festival begins, a plunges the city into chaos. Neonova’s AI, EIDOS , meant to optimize urban life, has shut down entire sectors. Amid the darkness, Elara hears a cryptic sound: her father’s old field recorder , a relic from when he worked to design EIDOS. His last known project disappeared years ago, after he warned of AI overreach before vanishing without a trace.