After her father unexpectedly passes away, Mackenzie inherits the family business: a renowned detective agency in a fantastic world of mystery and intrigue. With the aid of her investigative assistant Funghi and her faithful servant Cromwell, Mackenzie sets off to prove herself worthy of being called... the Touch Detective!

With the DS stylus, players can guide Mackenzie through crime scenes, talk to witnesses, and discover new evidence. Touching mysterious objects, people, or places allows essential case cracking clues to develop. The dual screens also enable players to simultaneously view clues, inventory, and maps throughout investigations!