Door to the Universe

In our world in an unknown time, the human race encountered the unexpected. Wielding keys that unlock the gates to realms that go beyond the norm. In our current time, such stories grew to be folktales that came across as just a theory to us. All except or Miles and Clem. These two came across one of the many keys and are yet to find more. It is up to them as detectives to make sure these keys don't get into the wrong hands and try to keep all of their works a secret. But little do they know that there is one key that anyone would change the entire world completely....A key to the universe