Candlekeep Mysteries/Sarah of Yellowcrest Manor

"Sarah of Yellowcrest Manor" is a short adventure module for 7–level players, collected in the anthology Candlekeep Mysteries, where players investigate an unsolved murder in Waterdeep.

Synopsis
In 1492 DR, a group of adventurers are approached by a ghost in Candlekeep who urges them to investigate the unsolved, grisly murder of the Yellowcrest family in Waterdeep five years prior. The investigation leads the adventurers to the nearby village of Greenfast, which is plagued by a secretive cult.