Mel and Maggie walk a mile in each others shoes after a nasty fight and some magic gone awry.
Jada reveals Fiona is Keeper of a primordial power source known as the Sacred Flame.
Upon their return home, Mels phone is flooded with missed calls and texts from Maggie.

Charmed — “Switches & Stones — Image Number: CMD115a_0241.jpg — Pictured: Sarah Jeffery as Maggie — Photo: Colin Bentley/The CW — é 2019 The CW Network, LLC. All rights reserved.Colin Bentley/The CW
Maggie confronts Mel about where shes been for the last day.
Mel wants Maggie to give Jada a chance but Maggie just wants her older sister to understand her concerns.
Meanwhile, Macy has averyrealistic dream involving her chasing a man around the quad before turning him into stone.
Early the next morning while on a jog, shes stunned to see the event actually happened.
When they wake up, Maggie and Mel are panicked to find themselves in the others body.
Considering shealsotouched a rune in the Vortex, Macy thinks she may have accidentally amplified her demon powers.
Charity attempts to reassure her but Elder Bari looks very wary.
At the toga party, Medusa has begun turning attendees into stone.
Charity, Harry, The Charmed Ones, and Parker hash out a plan to stop Medusa.
Having learned the truth about her, Macy is still not on board with Charitys plan to behead Medusa.
The sisters corner Medusa but Macy is unable to kill her.
Having spent the day living the others life, Maggie and Mel are finally at and understanding.
After having a heart to heart, the sisters are finally able to switch back into their rightful bodies.
Meanwhile, Macy and Charity have a conversation about demons.
Macy wonders if the entire conversation surrounding demons and good and evil is misguided.
However, their conversation is interrupted by news of Macys test results from Elder Bari.
Just as Macy reveals what she saw to Elder Bari, Charity appears behind the Elder and kills her.