In Neglected Fields the Fern Grows

Fern Longbottom has always been at odds with the Weasley twins after spending her seven years at Hogwarts thwarting their pranks as a Prefect or falling victim to them. When she finds her brother in their company after hours, she grows suspicious, assuming the worst. This leads her on an investigation, and inadvertently into the arms of Fred Weasley.