In this gripping interactive narrative, players assume the role of Vesper, a heart-transplant recipient who starts experiencing vivid memories and emotions from their donor. As Vesper delves into the mysterious life of their donor, they uncover secrets about an underground community that connects people through organ transplants and identity. The story unfolds through choices that influence Vesper's personal relationship with their new heart, leading to thrilling confrontations, ethical dilemmas, and moral quandaries. Navigate love, betrayal, and self-discovery as you piece together the identity of your donor and their untimely demise while grappling with what it really means to live — or survive — with another person's heart.