Twenty years ago Ed Finch – America’s most notorious serial killer – used the Bay Area as his hunting ground. Now he’s back.

When his daughter Margot, a homicide detective with the San Francisco Police Department, receives a phone call from his lawyer, she learns that Ed has been transferred to death row at nearby San Quentin. And he wants to see her. He’s hinting that there’s another kill to his name – a murdered woman no one connected to him until now. If she comes to visit, he’ll tell all.

So now she’s in her car outside the gates of the maximum-security prison, counting slowly to ten like her therapist taught her.

Every instinct tells her to turn around. But she’s spent her life trying to atone for her father’s crimes. She can’t turn down the chance to solve a case that has baffled the SFPD for decades, and give closure to the girl’s still-grieving family.

Even if it means facing the one person in the world she fears most…