There are plenty of theories out there about just what exactly is in the mysterious, glowing briefcase, ranging from radioactive material to the diamonds from Reservoir Dogs. But perhaps the most mind-blowing theory is that the contents are actually Marsellus Wallace’s soul, which he sold to the devil but now wants back. Stay with us here, it’ll all make sense. The Bible says the devil takes souls out through the back of the head, and when we first meet Wallace, we see the back of his head is shaved with a single band-aid. Not to mention the combination for the briefcase is 6-6-6, the inside glows with magnificent, ethereal beauty… Need we go on?