A pregnant teen is admitted to a mental hospital after threatening suicide and is found dead two days later; did she kill herself? Dr. G also investigates a murder.

After a long battle with addiction, a woman falls ill and dies; did her drug abuse kill her? Plus, Dr G investigates the execution of a man in his home.

Natalie is found dead in her bed after a vicious row with her brother-in-law; did he kill her? Dr. G is also mystified by the death of a seemingly healthy teenager.

A disorientated 58-year-old man slips into a coma and dies; was he infected with rabies? Plus, Dr G investigates a peculiar and fatal case of choking.

A woman is found dead in her home with severe burns after a violent argument with her fiancé; was she murdered? Dr. G also investigates the death of a bipolar man.

A depressed 69-year-old widow is found dead on her porch; did she commit suicide or has she been murdered? Plus, a young woman dies in her sleep; what killed her?