Synesthesia alters detective-turned-novelist Ronan Mezini's perceptions. But can it help him find the killer? Detective-turned-novelist Ronan Mezini has skewed perceptions because of a condition called synesthesia, which for him transforms sounds into colors. These visions give him unusual insights that help him solve the case. So when a collection of eccentric - and possibly violent - creative people come together at an elite artists' colony in rural Vermont, murders occur in rapid succession and suspicion falls on everyone as Mezini unearths the founding family's secrets.