When a former drug abuser claims she saw her child in the park even though he died in an apartment fire in 2005, Lilly and her team launch an investigation.
Rush and the tean investigate an inner-city school teacher's death, originally believed to be a carjacking gone bad, after a former student finds her keys.
Coop tries to help Phoebe in her search for true love, and Piper tracks down the demons that killed Billie's parents in her search for the Ultimate Power.
Convinced that the sisters are too self-involved, Billie and Christy use their powers to destroy the Charmed Ones' reputations in the magical community.
The Charmed Ones align themselves with a demon as they seek to restore their reputations and race Billie and Christy to the source of the greatest power known.
Piper and Billie depart each other's lives after tragic and devastating losses, and Piper asks for Coop's help to travel back in time and set things right.
The team hunts down the terrorists responsible for a bus explosion that killed multiple innocent bystanders; Scola struggles to balance work and being a father.
The president of the NY Fed is shot and killed while helping a young woman in danger, and the team races to catch the killer and rescue the missing woman.
The team searches for a suspect with connections to an Islamic center after a federal judge is killed in broad daylight; Maggie encounters a former colleague.
The team looks for a shooter who chooses detectives from the same individual precinct and unit; Tiffany discovers that she could have an unintentional bias.
The team helps the parents of a kidnapped young girl work around a dangerous debt; Maggie is distracted by the case after her sister comes back from rehab.
On a seemingly normal day going into work with Jubal, Rina is seriously injured, and the team discovers that Vargas has been organizing a revenge campaign.