When Philadelphia Mainliners Courtlandt and Alexandra Gross are found murdered in their home, detectives begin the hunt for a calculated killer which takes them from one of the wealthiest zip codes in the country straight into the heart of Philly.
Elaine Goldberg's body is found in a vacant lot in Philly's " Badlands," police believe they discovered a prostitute who had overdosed; but when two more bodies are discovered in the same part of town, detectives fear there may be a serial killer loose.
When Philadelphia jewelers Patty and Richard Zimmerman are found executed in their Society Hill townhouse, police suspect a robbery gone wrong. But, when they discover nothing has been taken, they realize the motive may be far more sinister.
When Russian mortgage broker Fay Zonis is found murdered in her office, for seemingly no reason, it sends chills through Philadelphia's Russian-American community. As detectives hone in her killer, the investigation sends shockwaves around the world.
The city of Philadelphia is in shock when hard-working mother Trish McDermott is gunned down on a Center City sidewalk. Detectives work around the clock to catch the killer, someone they soon discover is more dangerous than they ever could imagine.
When expectant mother Natise Johnson is found murdered days before she is due to give birth to her first child, Philly detectives focus on those closest to her. But soon they find Natise's life is much more complicated than anyone ever knew.
Northeast Philadelphia's Crescentville neighborhood is known for tranquility seldom seen in major cities. But when a mother, her boyfriend, and daughter are found slain at home, the community wonders could the violent murderer be one of their own?
When Ellen Robb's husband finds her murdered in their quiet suburban Philadelphia home, evidence initially points to a robbery gone wrong. But as police dig deeper into the couple's life, they learn the motive may be far more sinister.
When Bill and Catherine Stuart are executed in their home along with their three-year-old daughter, police look to the surviving daughter Miriam for clues. Her description of the killer leads detectives deep into Philadelphia's criminal underworld.
When beloved a DJ, Alberto Martino, is found bludgeoned to death outside his radio station, it's appears to be a robbery gone wrong. But police quickly learn the Martino was not a random victim, but the focus of a carefully orchestrated homicide.