In a not-so-distant future where emotions can be traded, you, a struggling artist, find yourself entangled in a web of intrigue after discovering a device called the Heart Locker. This device allows you to temporarily exchange emotional experiences with others, creating a unique bond that could potentially save or ruin lives. As you navigate a city where everyone is chasing their 'perfect' emotional blueprint, you'll make choices that can alter the hearts and minds of those around you. Will you collect the hearts of the wealthy to climb the social ladder, or will you use your gift to empower the oppressed? With each exchange, secrets unravel, and you must decide whose heart truly belongs to whom.