Whose Heart is It, Anyway?

Step into the shoes of Cassia, a gifted cardiologist embroiled in a surreal game of life and death. After an experimental procedure goes awry, she finds herself trapped in a bizarre realm where she must navigate the collective memories and emotions of her patients' hearts. Each pulse reveals a different story intricately tied to the heart that beats within. As she interacts with these lingering souls, she faces moral dilemmas and unexpected twists that challenge her understanding of love, loss, and sacrifice. Can Cassia confront her own buried feelings while piecing together the puzzle of these hearts and ultimately choosing which one to save before time runs out?