Waterdeep Dragon Heist

Half a million gold coins are hidden somewhere in Waterdeep. Many individuals know about the cache and are looking for it. Adventurers can join the hunt and prevent the cache from falling into evil hands.
The city is threatened by escalating tension between two power groups that is on the verge of flaring into violence. The Zhentarim, a shadowy network of mercenaries, and Xanathar, the beholder crime lord of Waterdeep, are at odds, and when they clash, the characters are pulled into the conflict.