The aurora borealis is happening and as result, nothing magical is able to occur around the world. As a result, a powerful sorcerer called Cronyn decides to use that to his advantage in order to take out the Charmed Ones before Piper can deliver her baby. However, Phoebe and Paige set up a summit in an attempt to get things back to normal, leaving Leo to try and keep them safe. Meanwhile, Victor and his new wife arrive and help Piper deliver her baby, however, they're in for a surprise at discovering Doris being a demon, trying to steal the new bundle of joy in the Halliwell house.

After Leprechauns are being killed by a demon looking to use their luck to aid other demons in gaining power in the Underworld. Realizing that there's a target on their backs, the remaining Leprechauns grant the Charmed Ones good luck, in an attempt to vanquish the demon and stay alive.