As an Alpha Vampire: he has always been able to control his Vampiric nature. Something the others of Taskforce 141 found commendable.

That is, until they receive a transfer.

An Omega human. Immediately, Soap finds himself struggling to contain his thirst, drawn to the Omega Human, his instincts as both a Alpha and Vampire tortured, and tested.

Pushed to the limits and beyond, yet for some strange reason, no one else on the task force seems to suffer the same issues.