Freeks can be explained by science. But that doesn't mean that people don't think they are abominations to the human kind. They just can't exist. And they won't if the Freeks don't come together to do something about it.
The love between a clown(ahhem I preffer magician thank you very much) and a girl that seems weak but she is stronger that Hisoka.
How will they get together and what kind of girl is she?