“Kardia” blends elements of fiction and science to narrate the tale of Hope, a pathologist on a quest for reconciliation. As she delves into her past, Hope uncovers that a groundbreaking heart surgery she had as a child has inexplicably connected her life to someone else’s. To unravel the mystery of her history, Hope must revisit her early years and delve into parts of her life that yield breathtaking revelations.