Evaluating trace evidence is her job...
The man she\'d come t.
She was conceived in an affair her mother had the summer before her parents\' wedding.
But when results prove it is physically impossible for her father to be her biological father, her family finally confesses their long-held secret.
When Sierra Byrd\'s father needs a kidney transplant, despite her parents\' protest claiming they could never ask for her help, Sierra insists on being tested for the transplant.
Evaluating trace evidence is her job..