So, for those confused if any, brother 1 goes to military after brother 2 disappears, brother 2 shows up in obituary, brother 1 comes back and receives the watch and picture left behind by brother 2. Watch reveals brother 2's mysterious absence and goes to relay the chronicles of his journey, along with giving his brother the "inheritance". Also, when it said "I am an addict", he was afflicted by poison, he wasn't on drugs.