9-1-1.

Based on Season Five & Six...

The system fails. They don't.

Ransomware attacks cripple Los Angeles... targeting hospitals, air traffic control, and every computer system the city relies on.

Chaos spreads instantly. Then the lights go out. A massive city-wide blackout plunges LA into darkness, and the 118 must fight fires and save lives without the technology they've always depended on.

But the personal emergencies hit just as hard. Maddie's postpartum depression deepens, leaving her struggling to cope.

Eddie faces a frightening health scare that forces him to question his future. A new call center operator, Claudette, arrives... sharp, uncompromising, and immediately shaking things up.

Athena confronts her own trauma when a past threat resurfaces, threatening her family.

When the world goes dark, they are the light.