David tracks down his estranged wife, Kate, to get her help in saving their 10-year-old son who is dying of leukaemia. Meanwhile, Zoe has had to go home sick, leaving Ash to deal with the continuing flu epidemic.
David tracks down his estranged wife, Kate, to get her help in saving their 10-year-old son who is dying of leukaemia. Meanwhile, Zoe has had to go home sick, leaving Ash to deal with the continuing flu epidemic.
