A suspicious disappearance
A father's long quest for justice
Connected by a secret spanning over 20 years
Kelly sets out to expose the truth
As a killer aims to silence him forever

The son of Boston Police Chief Tom Ryan goes missing on a harbor cruise. As the suspicious circumstances around his disappearance take shape, Detective Michael Kelly soon finds this case has startling implications that hit home, both personally and professionally.

With Barnes on administrative leave, Kelly is partnered with Homicide's newest member, Mark Cahill, a rising star coming off an impressive tour of duty with BPD's Narcotics Unit. The two face incredible odds as they set out to uncover the Cold Hard Truth.

The fifth installment in the Boston Crime Series showcases Kelly's indomitable tenacity as he faces off with a dangerous criminal hellbent on ensuring that the truth never sees the light of day.