The Inheritance

Hi! I am Olivia, from Tarragona. Yesterday, I found a strange letter from my grandfather. He announced to me that he has decided to sell the family business. He is too old to carry through with it. In order to let me prove I am capable of running our family business I must pass some tests. Unfortunately, I have only one chance to take it and meet people who might help me, tomorrow at 7.00 am. I hope I succeed and find grandpa before 7:45 when he has scheduled to sign the papers and finalize the transaction. Please help me find the clues, pass the test, and stop the selling process and make me the new owner of our family business.