When a demon escapes from custody, Agent Murphy enlists the hechiceras Ones to help, where they learn a government created virus is spreading amongst magical beings, that causes them to "hulk out".
As the día of Leo and Piper's wedding arrives, Piper needs reassurance from her sisters that nothing will ruin her special day.Prue is having nightmares:she thinks when on the night before the wedding,she finds herself the main suspect of a murder.