(DnD) Three Levels of Plot

darkmoon-hairyspider2The AWOL gnomes from Faroth island stole a jeweled sword from a Yuan-ti captain. This news is heard by the Thieves Dragon Guild, established by Rodorax hundreds of years ago. This jeweled sword interests him in his dreams, and Rodorax’s dream voice speaks to the guild leader, establishing a grand bounty on the sword. Bring the sword to the cairn east of Galentaspar and be paid richly.

Well, what proud, devious and frustrated naval commander would not pay for such knowledge? What will happen when they all meet and the cairn east of Galentaspar? Who else has ears on that string, who would send our heros on their quest?