Tell me no Lies

PI Nick Mckay doesn't want another case. He's worried about his younger brother, Joey, a cop on Houston's Police Department who has seemingly disappeared on an unauthorized undercover investigation. Yet when Allie Hansen shows up on his doorstep in a cold driving rain, he can't turn her down.
She insists her sister was murdered and didn't commit suicide as HPD insists.
An attempt on her life convinces Nick to investigate.
Soon, Nick's investigation collides with Joey's and Allie's life hangs in the balance. Secrets begin to unravel.
When they do, will they topple the leading candidate for the Presidency?
Or will Allie die before her sister's killer is apprehended?