Just watched this and episode one seems to have some potential, one of the better show from the new US TV season, so far.
And the star Anna Silk is not bad looking either.
Lost Girl is a daring new series about mysterious young Bo, a succubus who drains the sexual energy of humans to feed, heal... and kill. Having survived for years alone, she now discovers she is one of the fae, creatures of legend and folklore who secretly feed off humans in myriad ways. Relieved to find out that she is not alone, but horrified by what it means, Bo chooses a dangerous middle path between the humans and the fae while embarking on a personal mission to unlock the secrets of her origin.