Tagus the Night Horse

In this adventure, Tom and Elenna travel to the plains of Avantia to investigate a mysterious horseman called Tagus the Night Horse, who has been frightening the local farmers. A farmer has disappeared during an overnight cattle drive, and the heroes must stop Tagus before anyone else comes to harm. However, Tom is mistakenly identified as the horseman and is thrown in jail, where he must prove his innocence while continuing to protect the people of Avantia.