The end has come. Elle Costas and her dog, Bravo, have survived the dangers of Hollywood and escaped the clutches of Slaver Territory. The apocalypse has been cruel, and the wasteland of California has forced them to seek shelter in a civilian refugee camp at a place called Bear Mountain. Here, they meet Cheng, a mysterious boy with the skills of a samurai, and Luli, a steampunk warrior with a thirst for vengeance. But friends cannot always be trusted. When a horrific tragedy befalls Bear Mountain, Elle and Bravo come face to face with their most dangerous enemy yet. Betrayal and heartbreak threaten to destroy the bonds of friendship. Desperate times call for desperate measures. Run, or be caught. Kill, or be killed. Fight, or be forced to surrender. The end of the day will change everything. Will Elle and Bravo survive? The explosive, thrilling conclusion to the #1 Bestselling Zero Trilogy by Summer Lane.