Silk

Series 3 episode 3 of popular legal drama. Martha (Maxine Peake) is engaged by euthanasia campaigner and solicitor Aisha Wiseman to defend Sarah Stephens (Claire Skinner) who is accused of helping her paraplegic daughter to die. In spite of Sarah's fierce determination to protect her family and an expert witness account which condemns her, Martha realizes that she may be covering up for somebody else.