Brothers Buy Forgotten Shed, Then They Take A Look Inside

True heir

While Henry stared at the letter, Tom took a closer look at the envelope and noticed the upside-down triangle in the wax seal. They were surely on the right track! Henry then explained the letter said that only the true heir of Robert Stevenson could find it and that the person who found it was entitled to the family treasure. The brothers looked at each other in disbelief. Was this real? Where was the treasure?