In a quirky city where shadows have minds of their own, players assume the role of Ferna, an underappreciated detective with a unique talent: she can converse with shadows. When a series of bizarre shadow-related crimes occur, Ferna partners up with an eccentric shadow named Blink, who has a knack for comedic relief and knowledge of the shadowy underbelly of the city. Together, they must navigate through shady deals in the back alleys, decode light-based riddles, and interrogate shadow suspects, all while uncovering the truth behind their own tangled pasts.