top rated loop by category

first I want to thank you for this great plugin.

I am unable to list the top rated post by category.
I am a layman in code if anyone can help me I will be grateful.

This is the part that I’m using, it shows the most votes overall,

<?php $segunda_consulta = new WP_Query(
    array(
		'posts_per_page' => 6,    // Apenas 6 posts
		'r_sortby' => highest_rated,    // Ordem
    )
);
?>

<section id="categorias-relacionadas"><div class="container"><p></p></div> <!--/container--></section>
<section id="melhores-filmes">
<h2 class="tt">
<span class="container"> Os melhores <b>filmes de   Aventura</b> </span></h2>
<div id="galeria-melhores-filmes">
<div class="container">
<div class="content">

<?php $numerado = 1; {query_posts('=r_orderby=desc&ignore_sticky_posts=1'); while ($segunda_consulta->have_posts() ): $segunda_consulta->the_post(); ?>

<div class="box-video-destaque">
<a href="<?php the_permalink() ?>" title="<?php the_title(); ?>">
<img alt="<?php the_title(); ?>" class="thumb" height="202" width="153" <?php if ( has_post_thumbnail()) {$large_image_url = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), 'large'); echo get_the_post_thumbnail($post->ID, 'large'); }?>
</a>

<p class="nota">
<span><?php if($values = get_post_custom_values("imdbRating")) { ?>
<?php echo $values[0]; ?></span>
<?php } ?>
</p> 

<a class="btn-trailer" href="http://www.filmesonline2.com/frozen-uma-aventura-congelante-1080p/">Ver Trailer</a>
</div>
<?php $numerado++; ?>
<?php endwhile; ?>
<?php } ?>
<?php wp_reset_postdata(); ?>

</div>
</div>
<?php wp_reset_postdata(); ?>
</div>
</section>

I need a code to display by category.

if someone can help me.

https://ww.wp.xz.cn/plugins/wp-postratings/