Arakis's zombie problem went largely ignored, because it was believed that the Shai-Hulud (sand worms) would effectively dispose of the undead walkers. Unfortunately the problem grew until the roving herds of sunburnt ghouls threatened the flow of spice. While observing one of the great reanimated masses over take a Harvester from the safety of an ornithopter, an Imperial Zoologists noted that the sand caked flesh eating revenants walked entirely without rhythm.
Shortly after receiving this report the Bene Gesserits claimed to have a solution to Arakis's hellish resurrections. They asserted to the agents of the great houses that the worms could be drawn to the walkers using an ancient sonic weapon. According to the sisters, exposing the zombies to an antediluvian ballad composed by the great master M. Jackson would force them to step in time.
One of the PCs comes across a magical ring that grants some power but has odd aura as if cursed. Yet this curse is different than the standard curse. When the PC puts on the ring he/she suddenly feels married. There is now an illusionary woman, who he/she cares deeply for but who is also always very critical of the PC. The wife is demanding of attention and constantly giving the PC directions. The PC wearing the ring is the only one that can see and hear the bride. The curse can never completely be lifted. Even if the PC takes off the ring and somebody else puts the ring on; the PC will still be visited by the ex-wife at least once a month. During this visit she will demand money and apologies.
Ursula is a were-bear; she and Stewart, the bailiff of a rural feudal estate, are lovers, sharing all their secrets as lovers often do. Recently something has been taking livestock. *He* must deal with suspicions that a bear is involved (one has been seen nearby...): *she* must defend herself if it is revealed (perhaps by a jealous suitor, perhaps accidentally) that she is a lycanthrope. The adventurers might be called in to track the hungry beast(s) and discover her secret, but be able to reveal that the culprits are a small pack of wolves that has moved in to the area. The adventurers might earn the gratitude of both Ursula and Stewart, depending on what they reveal, and to whom.