Yep, it doesnt take magical epidemiologist to deduce that the ominous Harbinger virus is finally here.
Before they can further think of how to help Niko, her fiancee Greta arrives and kicks them out.
Maggie, Mel, and Harry scope out the address Niko gave them, which Alistair has since abandoned.

(L-R) Sarah Jeffery, Melonie Diaz, and Madeleine Mantock.Credit: Shane Harvey/The CW
Parker reaches out to Maggie again, sounding increasingly desperate.
Macy tells her sisters and Harry that the Harbingerhasspread and she thinks its their fault.
As the connection fades, Parker tells Maggie he loves her.
Galvin remembers something from the Yoruba texts from when he was studying to be a Chirij.
Its dangerous and cost Galvins grandmother her finger but he needs to save them.
Maggie and Harry find Charity in the gardens, picking at a plant bud.
While Harry orbs his ex to safety, Maggie and Mel fight Parker.
But she hesitates, and with his demonic side back in control, Parker disappears.
Unfortunately for the demon, he has no idea Fiona is secretly scheming to double-cross him and destroy magic.
Its not an ideal hiding spot due to its connection to Fiona, but he has no choice.
Unfortunately, Fiona portals in and before Harry can stop her, she mortally wounds Charity.
The Whitelighter says the plan now comes down to Galvin and Macy successfully performing the ritual.
As Galvin performs the ritual, he reveals there must be a sacrifice.
Sometimes, you got to lose one to save the many.
Dying, she reveals her master plan to kill Parker and destroy magic, to the surprise of Alistair.
Despite Fionas death, the Sacred Flame ignites as Parker arrives.
His human side bursting through, he vows to save Maggie.
Seeing his vision come true, Alistair bows before Macy, who mercilessly kills him burning him inside out.
Definitelynot seeming as in-control as she purports herself to be, Macy vows to fix everything and revives Galvin.