This time it's the lady who's got daddy issues! The protagonist, Sophie, is the bastard daughter of a nobleman who died and left her to the care of his wife who has two daughters of her own. It's a Cinderella story, which is fine. Sophie meets hottie Benedict at a ball at Bridgerton house, and the two fall immediately in love, even though "at sight" is less relevant because the ball is a masquerade. 

They're both dumbasses in predictable ways, but in the end, good triumphs over evil, and

>the girl from the wrong side of the tracks still ends up on the right side of the bed. </spoiler