Complex sentence: A new family arrives, calling themselves the Millers, but in fact they are the daughters of the hanged outlaw Frenchie King and his eldest daughter Louise seeks to keep her father's name alive by donning men's clothing and continuing his criminal ways.
Split into simpler sentences: A new family arrives, calling themselves the Millers, but in fact they are the daughters of the hanged outlaw Frenchie King. His eldest daughter Louise seeks to keep her father's name alive by donning men's clothing and continuing his criminal ways.