Adventure Title
Jewel/Gem/Amulet of (the) Crown/Scepter/Throne

Alternate title
Ghost/Spirit/Specter of the River

Opening Scene
A back alley that is Frozen where they encounter Nobility that is/are Looking for a fight

Plot hook and draw
An old acquaintance that is/has Sent an invitation

Plot Concept
Tear a gateway to an ancient era that is motivated by Vengeance

Primary Antagonist
A tyrannical overlord who/that is Disgruntled

Plot fulfillment and location
A lock of hair from A pirate haven