Witch Lilith accidentally forms a blood pact with the fallen Hades, King of the Underworld. After returning to the powerful Blackwood noble family, she gets tangled in a conspiracy revolving around inheritance rights, an ancient curse and Underworld relics. She uncovers her adopted daughter Seraphina’s true colors of murder and stealing love, and stands alongside Hades to fight the traitor god Erebus. In the end, Lilith regains her memories as Queen of the Underworld and severs toxic blood ties. Once all grudges settle, she chooses to rekindle her romance with her beloved Hades.