Find The King Crown

The pageant for Miss World is hosted by your city. You are one the organizers of the event. Within your team, there is someone whom you just can't figure out. She wants to be part of the project but does nothing. The pageant is about to start and you are all busy with the final preparations. So you look through the things needed. But you were so shock to see that the king's  crown is missing. Your colleague is missing as well. You called her so many times but she doesn't pick up. Then you remembered her comment about the place being a perfect one for hiding things. So you start your search for the missing crown. you have to do is to find some clues and solve all the puzzles