In 'Whose Heart Is It, Anyway?', players step into the shoes of various characters at a bizarre annual convention called the HeartSwap Festival, where attendees literally trade hearts for a day. Each character has a unique heart with special emotional abilities, and players navigate through interactive storylines filled with dramatic choices, unexpected relationships, and humorous mishaps. Along the way, you must figure out who really belongs with which heart, leading to touching revelations and comedic moments that explore love, identity, and the complexities of human connection.