diff --git a/ox/net.py b/ox/net.py
index 2a5e71b..59e6abe 100644
--- a/ox/net.py
+++ b/ox/net.py
@@ -21,7 +21,7 @@ from chardet.universaldetector import UniversalDetector
 DEBUG = False
 # Default headers for HTTP requests.
 DEFAULT_HEADERS = {
-    'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0',
+    'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:69.0) Gecko/20100101 Firefox/69.0',
     'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
     'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
     'Accept-Language': 'en-US,en;q=0.8,fr;q=0.6,de;q=0.4',
diff --git a/ox/web/imdb.py b/ox/web/imdb.py
index 7d91dc7..2f14e33 100644
--- a/ox/web/imdb.py
+++ b/ox/web/imdb.py
@@ -199,6 +199,11 @@ class Imdb(SiteParser):
         'summary': zebra_table('Plot Summary', more=[
             '<p>(.*?)<em'
         ]),
+        'storyline': {
+            'page': '',
+            're': '<h2>Storyline</h2>.*?<p>(.*?)</p>',
+            'type': 'string'
+        },
         'posterId': {
             'page': 'reference',
             're': '<img.*?class="titlereference-primary-image".*?src="(.*?)".*?>',
@@ -517,10 +522,13 @@ class Imdb(SiteParser):
             ])
             if self['releasedate'] == 'x':
                 del self['releasedate']
+
+        if 'summary' not in self and 'storyline' in self:
+            self['summary'] = self.pop('storyline')
         if 'summary' in self:
             if isinstance(self['summary'], list):
                 self['summary'] = self['summary'][0]
-            self['summary'] = self['summary'].split('</p')[0].strip()
+            self['summary'] = strip_tags(self['summary'].split('</p')[0]).split('  Written by\n')[0].strip()
 
         if 'credits' in self:
             credits = [
diff --git a/ox/web/siteparser.py b/ox/web/siteparser.py
index 61a79bd..8c212bf 100644
--- a/ox/web/siteparser.py
+++ b/ox/web/siteparser.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
 import re
+from multiprocessing.pool import ThreadPool
 
 from six import string_types
 
@@ -28,6 +29,7 @@ def cleanup(key, data, data_type):
 class SiteParser(dict):
     baseUrl = ''
     regex = {}
+    pool = ThreadPool(8)
 
     def get_url(self, page):
         return "%s%s" % (self.baseUrl, page)
@@ -39,6 +41,9 @@ class SiteParser(dict):
 
     def __init__(self, timeout=-1):
         self._cache = {}
+        urls = list(set(self.get_url(self.regex[key]['page']) for key in self.regex))
+        self.pool.map(self.get_url, urls)
+
         for key in self.regex:
             url = self.get_url(self.regex[key]['page'])
             data = self.read_url(url, timeout)
diff --git a/ox/web/wikipedia.py b/ox/web/wikipedia.py
index cb73758..de8b064 100644
--- a/ox/web/wikipedia.py
+++ b/ox/web/wikipedia.py
@@ -17,7 +17,7 @@ def get_id(url):
 
 def get_url(id=None, imdb=None, allmovie=None):
     if imdb:
-        query = '"%s"'% imdb
+        query = '"%s"' % imdb
         result = find(query)
         if result:
             url = result[0][1]
@@ -26,7 +26,7 @@ def get_url(id=None, imdb=None, allmovie=None):
                 return url
         return ""
     if allmovie:
-        query = '"amg_id = 1:%s"'% allmovie
+        query = '"amg_id = 1:%s"' % allmovie
         result = find(query)
         if result:
             url = result[0][1]
@@ -140,7 +140,7 @@ def get_allmovie_id(wikipedia_url):
     return data.get('amg_id', '')
 
 def find(query, max_results=10):
-    query = {'action': 'query', 'list':'search', 'format': 'json',
+    query = {'action': 'query', 'list': 'search', 'format': 'json',
              'srlimit': max_results, 'srwhat': 'text', 'srsearch': query.encode('utf-8')}
     url = "http://en.wikipedia.org/w/api.php?" + urllib.parse.urlencode(query)
     data = read_url(url)
diff --git a/requirements.txt b/requirements.txt
index b7509ec..51c3f99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 chardet
 six>=1.5.2
+lxml