Complex sentence: Rykker is an intergalactic warrior trapped on Earth, destined to fight a gang of ruthless aliens known as the Syndicate, an alien fifth column plotting to take over the world.
Split into simpler sentences: Rykker is an intergalactic warrior trapped on Earth, destined to fight a gang of ruthless aliens known as The Syndicate. The syndicate is an alien fifth column plotting to take over the world.