Cole faces the Witness as Cassie's hallucinations evolve; deadly visitors from the past arrive when the time machine malfunctions and begins tearing apart time and space.
Joss testifies at Wilson's murder trial a year after her perilous encounter with him. Marc has employment problems. Karen thinks her male nanny is making advances toward her. April fears Lucy is growing up too fast.
The mysterious criminal mastermind known as “The Voice” returns and traps Reese and Fusco in their own precinct with several armed gang members and the latest POI. Also, Root makes a shocking discovery.
In the Season 2 premiere, Emma hopes she can move on with her life after returning to Lakewood, but she's soon haunted by a dream. In other events, an unknown someone threatens to expose Audrey's connection to Piper.