Recontact London

You have an incoming call in the police department someday, and at midnight you get the news that a ghost is viewed on the security camera of a bank in London. All of a sudden, this news is all over the country, and it's up to you to unravel this mystery. As you trace the ghost through the streets of London via security footage, you discover the investigation is a part of the thing that is very serious and profound. No more spoilers, now, it's entirely up to you to discover the story!