Kingdoms of Legend: Ninja Attack!

From publisher blurb: When Ninja Attack! The Kingdoms of Legend: Adventures line of PDFs present a single 4-hour night of roleplaying action. Suitable for use at a game convention or as a one shot adventure, these products come complete with 6 pre-made player characters. In this episode, a powerful Silk Road merchant has hired the services of the deadly ninja of the Hasu Clan. He wishes his most treacherous rival eliminated, once and for all. The PCs take on the roles of the ninja strike team to infiltrate the lavish desert estate and complete the bloody task. An adventure module for six 10th level ninja (characters provided!).