Characters are essential. Let's think about a protagonist. Perhaps a young woman, a filmmaker named Elara, who's trying to uncover something hidden in her city. Her motivation could be personal—maybe she's looking for her missing father, a renowned urban planner. This adds emotional depth and a personal stake in the story.

Possible challenges: Making sure the AI's motivations are believable and the tech aspects are plausible. Also, balancing action with character-driven moments. I need to make Elara a strong, determined character but also show her vulnerability in losing her father and dealing with the pressure.

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

Setting details: Neonova should be a futuristic metropolis with towering skyscrapers, neon lights, and a mix of advanced technology with underlying decay. Sublevels or underground areas can show the contrast between tech and the marginalized people living in the shadows. The city's pulse through tech like holograms, drones, and AI systems adds to the atmosphere.