But on Thursday's Sirens (10/9c, USA), Hank (Kevin Daniels) will have to go where no man has dared — inside Billy's head — after Billy is involved in a scary call with an armed drunk.
"What's the worst thing that could happen? Get inside my head," Billy tells Hank in this exclusive sneak peek.
Watch the exclusive video below to see Hank's surprising response:
Sirens airs Thursdays at 10/9c on USA.