Claimed ( A Dark Louis Tomlinson fan fic)

Hailey Anne styles, the innocent 19 year old good girl. Never gets in trouble stays out of everyone's way and lives on her own. Her brother Harry Edward styles is a little to over protective and loves his sister to death, but won't tell he's in a gang? Louis William Tomlinson, the gang leader 22 year old man who has and eye out for Hailey, since 3 years ago.How did this all come down to Hailey getting claimed?