All mysteries must be solved, that is the purpose of our Layton Detective Agency. Professor Layton's daughter, Katrielle Layton, runs the Layton Detective Agency with her talking dog Charlotte and assistant Noah, solving incredible incidents in London every day. Originally, this job was started to find her father, Alsair Layton, who suddenly disappeared, but using various whimsical ideas to solve mysteries gradually became a hot topic, and began to receive various commissions..