Then Holmes is deep in conversation with Ms. Mary Morstan about her father who went missing and a mysterious letter that she recieved
Mary takes them to Bartholomew Sholto's Home and find him lying dead on the floor
At the crime scene Holmes noticed some creosote and hired a dog named Toby and with this help was taken to a ship yard where a man told him that a mister Jonathon Small had hired the steam launch, The Aurora.
A few days layer, Holmes is in pursuit of the Aurora
After Holmes caught up and arrested Small he starts to question why he killed Sholto for the treasure and Small says he did it because Sholto's father betrayed his trust as he just took the treasure for himself after he agreed to help him get out andget the treasure
And at the end of all this trouble there is a happy ending as Watson proposes to Mary and they get married