Out of curiosity, you turn over the photo to see a bunch of text originating from some "Sam" guy. After a minute of reading it, you can tell that this is the name of your grandfather, and this is a letter addressed to your dad. You find the language and the way he writes about women to be a little problematic, but what can you expect for a known womanizer.
After scanning a few times, you notice the code for your study room safe. You've always wondered what was in it, now's your chance to open it and find out.