Ordinary
It's an ordinary crime scene, right down to the pre-investigative sniping between Sherlock and the local police force and his inevitably correct conclusions. Not including the unexpected hostage situation involving himself as said hostage.
How did things get out of control so quickly?
Then there was a whiz, a thud as something – his… friend? – hit the man, and he was free.
"I told you that limp was psychosomatic," Sherlock snorted as he got up off the ground.
"Unfortunately for you, since that would have meant I had a more convenient projectile," John returned amiably.
"Touché."
Welcome to the new normal.