Sweeney Todd is a musical about barber that instead of making awkward conversation while cutting your hair, sings while killing people. Just in case you're Sweeney and came here to figure out what's your next move, we provide you a chart:
Ok, now that all of the musical jokes are out of the way, let's get serious:
Sweeney Todd is a story about a once happy barber that lived in a beige colored London, until an evil guy rapes and kills his wife, steal his daughter and banishes him from the now gray colored London, the barber then swears to avenge his family. Basically, Sweeney Todd is what Batman would have been if Bruce Wayne had been British and had a fetish for razors instead of bats.
The movie - or play, if you're into that stuff - has a good plot, it's gritty, bloody and a good part of it is about killing people and/or baking them into pies. What else could you want? A twist ending? It has that too. I know, I know, at this point, there's only one thing missing from this dark, gory tale of hate and revenge:
You can see the murderous rage in her eyes.
Really, what more could you ask for?