Coalescence

Iris Camden thought she knew who her family was even if they weren't always forthcoming. Her half sister is a medium reeling from the loss of her biological mother. Her estranged father is an obsessed government worker who cannot reveal what he does. When an artifact appears in a ghost hunting expedition, Iris is the last person who wants to believe in aliens. Iris is angered by the claims of a ghost who warns of an outer-space threat. She turns to a UFO chasing scientist for answers, and Mitchell becomes convinced an alien plague in the form of light will cause a rapid evolution making humans susceptible to enemy suggestion. He is also certain her father may be part of a huge conspiracy and should not be made aware of the artifact. The dark secrets of her family's past begin to unravel, and Iris will be forced to consider fantasy as reality and take the ultimate risk to save those she loves.