When scientist Abigail Phelan is accused of murder, she must prove her innocence despite not remembering the crime. Inspector Raven Clark knows Abbie didn't kill the miner, but she is tied to the killer. Abbie and Raven begin a search for both the killer and her memories bringing them closer to the truth and one another. But when Archangel residents fall ill from a bizarre pandemic Raven must hunt for the killer while Abbie battles a ravaging disease. Will they discover the identity of the murderer before losing everything they've found?