Kardia weaves fiction and science to tell the story of Hope, a pathologist who embarks on a journey of reconciliation. Hope discovers that the experimental heart operation she underwent as a child has mysteriously linked her life with another. To unlock the secret of her past, Hope must revisit her childhood and explore regions of her life that have heart stopping results.

Some students at Runcie prep school form an elite club. The group is implicated in a cheating scandal and one of the club members dies mysteriously. Another member decides to try and discover the dangerous truth about Runcie.