

Sam learns that the captain of the helicopter died of a heart attack, but she doesn't think it was the cause of the crash, and with 75 helicopters grounded, accident investigator Tony Newsome needs some answers.

Sam learns that the captain of the helicopter died of a heart attack, but she doesn't think it was the cause of the crash, and with 75 helicopters grounded, accident investigator Tony Newsome needs some answers.

A small-time criminal is the prime suspect in a gangland murder. Sam Ryan believes he may be innocent.

Sam challenges the police after an indepenedent postmortem into McNally's apparent suicide. Further deaths take place.