through an operation for his hearing but Nancy not wanting to. The stress results in Nancy becoming addicted to painkillers. Darren eventually finds out about Nancy's painkiller addiction leaving him furious and Nancy moves away for a short time. Darren and Nancy become friends with Sienna Blake (Anna Passey), and let her move in with them as a full-time nanny. When Tom goes missing, Darren is desperate to find him. Thinking that Tom has run away, he assumes that he will come home if Nancy is there and convinces Sienna to change her statement about Nancy. Nancy is released from the mental institute because of this. However, it is revealed that Sienna actually kidnapped Tom and kept him hostage in a basement. Tom is able to escape and along with Nancy, they expose Sienna for everything. Sienna attacks Nancy causing her to have temporary brain damage and attempts to kill Tom, Charlie and Oscar although they are saved and Nancy recovers. Following Darren's treatment of Nancy, things are hard between them and get even worse when Nancy attempts to get revenge on Darren. However, they eventually reconcile and get engaged again. However, things only get worse when Sienna blackmails Darren to get Tom to change his statement or she'll create even more problems for the Osbornes. Following a heart attack, Darren is given angina spray however Sienna takes this while Darren is on a camping trip and Nancy leaves him on his own on the trip following an argument. Darren starts to have a heart attack and Sienna, realizing what she's done, saves him at the last minute. On New Year's Eve, after bringing Esther and her girlfriend Kim Butterfield (Daisy Wood-Davis) to a club he is mistaken for a taxi-man giving him the idea to start up his own taxi company 'Daz Cabs'. His company got off to a rocky start as he was unable to know where he was going and got Dr. Charles S'avage (Andrew Greenough) late for two important meetings. However Darren teamed up with Kim to force Dr. S'avage to give him the hospital taxi contract and recruited Tony to work as his receptionist. However they came to blows over the name and design of the company, but resolved their differences with Darren moving into the boarding house, Tony working as a taxi driver and Maxine Minniver (Nikki Sanderson) takes over as receptionist. Darren and