Oops
With a smile, Sweeney Todd wiped his straight-razor clean. He continued tidying up after himself – he never had been able to abide mess, even as a child – and when he was quite sure there was no more blood to be spilt, he closed his hand around the lever.
Suddenly two gentlemen, one tall and angular and the other shorter and more sturdily built, burst through the door with revolvers drawn. Todd froze, astonished.
"My God!" the shorter one exclaimed, horrified. "Holmes, do you realize –"
"Yes, Watson," the taller one said grimly, "I fear we have stumbled into a cross-over."