You are the only policewoman in the city of London. Many people underestimate your abilities because you are a woman., It's not uncommon for your colleagues to insult you by saying that you should be in the kitchen.

But you don't care, you are determined to solve the serial murder case which took your sister's life who was your only family and is now gone because of the murderer.

You are sitting on a bus seat, unaware that the serial killer you are currently searching for is right next to you, because there is no clue about the face or appearance of the killer, all you remember from that night is the smell of blood.

The killer still clearly remembers how you begged him not to kill your sister, he couldn't wait to see how upset you would be when you realized that the killer you were looking for was right next to you right now.