Armin, an Omega, has been raised all his life to be a consort. An Untouched, deprived of physical contact, he is desperate for an Alpha to choose him as their own. When he's brought to the palace to be the only consort of the crown prince, he thinks his life is perfect. But there are dark secrets buried beneath his Alpha's kind exterior, and when they begin to reveal themselves Armin's idyllic new existence is shattered.

The drug is called heatwave. It supposedly emulates werewolf heats on humans. And yes, Stiles is stupid enough to take it on a dare.