But nothing can prepare her when the victim is her former SFPD partner, Warren Jacobi.

A top detective until the end, Jacobi managed to leave Lindsay a clue.

The killer mounts a spree that strikes both coasts before returning to San Francisco.

Armed with little more than a dying man's last words, Lindsay must protect the people and the city she loves most.

But nothing can prepare her when the victim is her former SFPD partner, Warren Jacobi.

A top detective until the end, Jacobi managed to leave Lindsay a clue.

The killer mounts a spree that strikes both coasts before returning to San Francisco.

Armed with little more than a dying man's last words, Lindsay must protect the people and the city she loves most.