White Feathers. Angels of the Apocalypse, #3

She traded her halo for a hospital badge. When a deadly virus spreads through Toronto, she'll need more than medical training to stop the apocalypse. Sarah Malak excels at saving lives in the ER, but she used to save souls as an angel. A fallen angel, exiled from Heaven and stripped of most of her powers, she's found purpose helping humans as a doctor. But when patients start dying from a mysterious new disease, Sarah discovers this is no ordinary virus - it's been engineered to be more deadly and contagious than anything she's seen before. With the help of her exiled angel sisters, Sarah uncovers a terrifying truth: The virus is just the beginning.
The Four Horsemen are gathering their forces, and this pandemic is only part of their plan. If Sarah and her sisters can't stop them, half of humanity will perish. To defeat the Horsemen, Sarah must restore her angelic powers by discovering which deadly sin caused her fall from grace. But with a pandemic spreading, time running out, and Famine growing stronger, even an angel's power might not be enough to prevent the end of the world.