Billie Powell has seen civilizations die out, the start of new beginnings and humanity being her only learning source. All because she was a guardian angel for three decades. Except she managed to get into a boiling pot of trouble and have her memory wiped in the name of integrity for the world . So now she's a normal young adult with a blurry past, trying to navigate a way to get her memories back. It doesn't help that she stumbles into a budding romance with a downworlder. shadowhunters [season 1]