Step into the shoes of Cassie, a gifted medical student who wakes up in an underground laboratory, only to discover that her heart has been replaced with that of an enigmatic killer. As Cassie navigates this twisting web of betrayal and identity theft, players must make choices that impact her psyche and unravel the mystery of the shadowy organization behind her surgery. Throughout the game, engage in conversations with other captives, decipher cryptic clues, and confront your own morality as Cassie seeks freedom while battling the dark impulses of her new heart.