Felix Stevens spent most of his life sharpening the skills he needed to become a distinguished physicist. A genius, but socially withdrawn, he develops a theory he believes could transform our understanding of reality. Felix is impatient to proclaim his theories and rushed them into the public forum at a scientific seminar.

Among those listening is Elara Thorne, a brilliant neuroscientist whose own work is ground-breaking in her field. In many ways, she and Felix are opposites, but despite the differences, their lives are intertwined. She believes in Felix and his theories – but warns that extraordinary claims require more than mere conviction.

Felix doesn’t wait. The fallout alters the course of both their lives and puts a relationship at risk. 

Elara becomes a celebrated scientist and public figure. Years later, Felix returns to the work he abandoned. What he discovers suggests that reality may be far stranger than even he imagined: worlds where different choices, different lives, and different versions of himself and others exist. 

Together, Felix and Elara are forced to confront questions that neither science nor reason can easily answer. If different choices create different lives…what makes any version of us the real one?