Mel, Maggie and Kaela become aware of a new threat inspired by the Tallyman; Maggie and Harry chase down a lead in a dangerous magical realm; Mel needs Jordan's help; Kaela gets a visitor from her past.
Mel and Kaela must turn to Dev to try to stop the Tallyman's deadliest attack yet; Maggie is forced to do court-ordered anger management with a very unorthodox therapist.
Zoey, an introverted computer programmer living in San Francisco, begins to hear the innermost desires of the people around her through song.
Maggie is surprised by someone important from her past; Mel, Kaela and Dev are on the trail of the Unseen; Jordan and Harry seek assistance from a different powerful trio.
Zoey tries to figure out how to control her new abilities while navigating her best friend's romantic feelings for her; a new medical victory for Mitch gives the family hope.