Christmas is fast approaching, but the festivities haven’t even begun yet! You are Detective Kate Gray, a seasoned homicide detective working in a city full of beautiful scenery, colorful buildings, and crowded streets. Your job is to solve a murder mystery! But before you take on the case, you first need to find a calling card left on the dead body of the victim, who is the only witness. But the real problem is that the calling card is pointing you to a serial killer, “The Christmas Killer.”

The Christmas Killer is a new, deadly serial murderer, who kills his victims in order to satisfy his bloodthirsty appetite. The victim’s calling card is proof of the killer’s existence and is the only lead you have to catch the killer.