In Vaara’s Grasp.
In Vaara’s Grasp is a 5th Edition adventure for 4-6 characters of 4th-level and is optimized for four characters with an average party level (APL) of 4. This adventure sees the party hunting through a forest for a monster that has seized a young man. The dominant monster is werewolves but you could fit this adventure into any with lycanthropes or a hunt through a forest.
Ninetoes82: 5E Adventures, Encounters and More 