Detective Paul Cullen returns in the second novel in the gripping mystery series.
Danger lurks underground...
When a young woman falls to her death in front of a tube train at London's Angel station, the authorities assume suicide.
They're wrong.
For Detective Chief Inspector Paul Cullen of the British Transport Police, the stakes couldn't be higher.
Can he uncover the truth, before more lives are lost?
The Detective Paul Cullen mysteries are perfect for fans of Peter James, Robert Galbraith and Harlan Coben.