Gold, Casper and Hollis attend the scene when an elderly man with dementia tries to break into the home where he previously lived for many years. They manage to calm the situation until the man later absconds once more, this time in possession of a loaded gun. With Gold uncontactable, Prosser leads an armed raid, only to find that she has stormed the wrong house. Meanwhile, Nixon and Nadir investigate a former associate of Pete Larson who has decided to go solo, and continue in the fake passport business. When Nadir goes undercover to buy a fake passport, he arrives at the planned meet to find the man dead in the back of his car with a bullet through the front of the head. (thetvdb.com)