You're a time traveller who protects the timeline from unauthorized changes. In your latest case, a curious and unknown criminal is making alterations to the timeline. Usually, the criminals who do this change simple things and are easy to catch. They go back in time with lottery numbers and stock information for easy profit.
 

Your latest prey is changing landmarks to meet unknown ends. You need to catch him before he becomes a threat. You've travelled to Ghent, and you've begun your mission.