Both are historical dramas in which the leads are investigating mysteries. One of the MLs or the SML's adoptive father is a villain and the story arc between father and son ends much the same way.
Both are mini-dramas that focus on the complicated friendship between two men and the mysteries that they become involved in. Both are the rare mini-dramas that don't focus on romance.
Both are historical mini dramas in which the leads are investigating a murder mystery together that connects to the past massacre of one of the lead's family.
Both are short length historical dramas whose plots involve a spooky murder mystery.
.......................................................................
