Brendan O'Rourke

A family curse confines orphaned twins Rachel and Edwards to their home, in punishment for their ancestors' sins. Bound to the rules of a haunting childhood lullaby, the twins must never let any outsiders inside the house.

In a post-apocalyptic world, a virus wipes out humanity. Survivors face roaming scavengers called Reapers. Protagonist Hig, a pilot, survived the flu but lost his wife.