It was only meant to be for a day...

Rich girl Florence and flower seller Rose look so alike that it's easy for them to swap lives in Victorian London. However, each soon learns that her new life isn't all fun and frolics - and swapping back turns out to be much, much harder.

But as Florence and Rose live each other's lives, they stumble across secrets and schemes. The kind that could put both girls in danger.

Can Florence and Rose uncover the truth in time to return to their normal lives? And is that what they really want?