Following the death of their mother, Mel and Maggie learn of the existence of a secret sister, Macy, and find out that they have new powers.
The sisters are confused after a message from the spirit board reveals that Harry is not to be trusted, so they devise a plan.
As Harry still guides the sisters on how to use their abilities, they concoct a plan to catch a killing demon.
As they wait for their meeting with the Elders, the sisters discover that navigating their two worlds is challenging.
Maggie is contemplating if she should come clean to Lucy, while Mel and Harry try to keep Niko safe, and Macy is unhappy with her situation with Galvin.
Maggie tries to patch things up with Lucy, while she seeks Mel's help to find out the identity of the new Kappa member.
The sisters face a new threat as they join forces to defeat a mysterious demon that wants to seize a collection of powerful magical relics.
As they go after Jada, Harry and Charity discover that there is a demon who's endangering the life of one of the sisters.
After discovering new information about the magical world, Mel seeks Harry's help. Macy refuses to let fate stand in the way of her and Gavin's possible relationship.
The sisters seek the Elders for advice regarding Harry. After getting sick of the Elders' rules, Mel seeks Jada's help behind her sisters' backs.
Macy is surprised by the reaction of her sisters after she tells them the information she has discovered. Maggie senses that something is wrong with the a capella group she joined.
Macy puts her and Maggie's lives in danger after she ignores Harry's advice and summons up a necromancer. Mel supports Harry as he wrestles with his recovered memories.
A pixie is ordered to kill people in order to help the sisters regarding someone they can't find, and any man who comes in the path of the pixie falls under her spell, so can the sisters discover who is controlling the pixie?
Mel and Jada seek Niko's help to find out who could be after Jada. Maggie and Parker make an unexpected discovery after they decide to take their relationship to the next level.
Maggie discovers the secrets that Mel has been hiding from her sisters, while Macy seeks the Elders' help on how to conquer her inner demon.
Charity and the sisters help Macy as she faces her demon side, while she struggles with gaps in her memory.
Mel accidentally discovers a new demon after Niko seeks her help. Maggie goes missing after she offers to infiltrate the cult led by said demon to help stop him.
Following Harry's mysterious disappearance, a new Whitelighter, Tessa, meets the sisters. Maggie attempts to find a way to pay tuition and seeks Macy for help.
In order to find Harry, Mel, Macy and Maggie come up with a plan that requires seeking Tessa's help. As Parker faces difficulties while trying to defeat his demon side, he seeks Maggie for comfort.
The sisters and Harry join forces in an attempt to defeat the evil that is taking place, while the Elders' lives are at risk. Mel and Maggie are worried about Macy when she is able to access her demon side more easily.
Galvin learns that something weird is taking place with the patients that are being sent to the hospital, while Macy and Galvin do an unforeseen thing.
Maggie, Mel and Harry are worried about Macy's newfound abilities, while Maggie and Mel are concerned about their fate.