function strytllr_redirect_from_story_to_first_slide(){
 global $wp_query;
 if( is_archive() && $wp_query->query('showposts=1&order=ASC') ){
 the_post();
 // Get permalink
 $post_url = get_permalink();
 // Redirect to post page
 wp_redirect( $post_url );
 }
 } 
 add_action('template_redirect', 'strytllr_redirect_from_story_to_first_slide');