By the time Lizzy Chatham rolled up to Sarah Sessom's home, the sky was menacingly close to crashing into the Montana ground.

She had been relatively close to the property when the call came in from Keith and the urgency in his voice was palpable. His message: The Arm – and Donovan Black – had located where Bella was being hidden, and he was heading there.

Lizzy did not have much more to go on, but she was clearly the closest person in a position to help, so ...