In a near-future society where emotions can be extracted and implanted, you play as an Emotion Courier tasked with delivering hearts—actual emotional essences—between people. But when a routine delivery goes awry and you accidentally end up with someone else's heart, you must navigate a web of lies, hidden identities, and emotional turmoil. As you meet various characters, each with their own motivations and desperate needs, you must use your wits and skills to return the heart to its rightful owner while uncovering secrets that could change the world. Every choice you make alters the emotional bond between you and the beings around you, leading to multiple endings and a dramatic exploration of what makes us human.