It was called C.A.T.S. Eyes; basically an 80s British take on Charlie's Angels and Mission Impossible. It had a really strange vibe to it that set it apart from the other early 80s shows and some almost cartoonish storylines reminiscent of Dark Shadows. Anyone else remember this?

Opening title sequence
_________________________
I hit her with the hammer on top of the head. She made a lot of noise and kept on making noise, so I hit her again.