Baysan bint Faizah (Cote de Pablo, NCIS), a failed law student, struggles to balance her life between her studies at Oxford University and her strict Muslim family in London. Baysan’s half-brother, Afzal bint Faizah (Richard Harmon, Gossip Girl), visits her at school and informs her that her stepmother, a renowned Egyptologist, has fallen deathly ill and has been moved to the hospital, and that he is to bring Baysan back to London.
Meanwhile, in New York City, Aednet Dougherty (Karen Gillan, Doctor Who), works as a bartender at a Brooklyn pub while attempting to start her career as a musician. While working a shift late one night, she is approached by a man calling himself Mr. Brig (Alan Tudyk, Firefly), who says he can offer her a chance to play at a music festival in London’s West End, and potentially launch a career with him as her agent. Reluctantly, Aednet accepts and departs with Mr. Brig.
At the hospital, Baysan discovers that her archaeologist father (Erick Avari, Stargate SG-1) refuses to visit his now dying wife. Some hours later, her father eventually visits his wife, but she soon passes away from what the doctor’s have identified as a form of the West Nile fever. Baysan and Afzal go to a pub for a drink while their father arranges a funeral service.
Aednet arrives in London with Mr. Brig, and he sets her up in a hotel near the West End. She is told to remain in her room until Mr. Brig returns to escort her to her gig. Mr. Brig eventually returns later that evening, and Aednet is brought to a small pub – the very same as Baysan and Afzal – and taken upstairs. There, she is told by Mr. Brig that her gig is playing for sailors from the Royal Navy as they are on leave. Mr. Brig then hurriedly departs, leaving Aednet alone to play for the sailors.
Later that night, Aednet returns to her hotel room and finds a note from Mr. Brig explaining that she should remain in her hotel room and that he will return in a day to discuss her musical future. Aednat reluctantly remains in her hotel room and practices her guitar.
The following day, Baysan attends her stepmother’s funeral at the British Museum. Following the lengthy ceremony, Baysan is confronted by a strange Arabic woman (Donia Samir Ghanem) who identifies herself as Sekhmet – the Egyptian Lioness Goddess of Vengeance and the Sun. She explains that Baysan is, in fact, her daughter and that Fate has chosen her for a greater purpose, and that she should confront Afzal about the circumstances surrounding her stepmother’s death. Before she leaves, she hands Baysan a piece of paper and instructs her to go to the address on the date and time listed.
Mr. Brig returns to the hotel and Aednet questions him about her musical future. He informs her that he is not a talent agent, nor did her bring her to London to start a career. He then transforms into a beautiful redheaded woman (Christina Hendricks, Mad Men) and reveals herself to be Brigid – the Irish Goddess of Fire, the Creative Spark, and Wisdom. She apologizes for the deception and explains that she is Aednet’s mother and that she has been chosen for an important quest.
At their family estate, Baysan questions Afzal about her stepmother and after a lengthy confrontation, Afzal reveals himself to be the Son of Set – the Egyptian God of Darkness, Storms, and the Desert Wastes. He explains that in retaliation for her decision to send him to a boarding school in Scotland, he had sent his mother on a futile quest to find the diadem as a graduation gift for Baysan, only to be infected by the fever. As Afzal leaves for school, he informs Baysan that she should see to her father. Baysan races to her father’s study and finds him collapsed on the floor. He explains that he had known about her true mother all along and that he had loved her, before dying in his daughter’s arms.
The next evening, Baysan arrives at the hotel bar where her mother had instructed her to go to, and there she finds Aednet sitting at a bar. They trade small-talk for a few minutes before realizing that the bar is empty except for themselves and a mysterious, dark-haired man (Colin Farrell, In Bruges) standing in the corner of the room. He introduces himself as Ciaran O’Kane and soon a beautiful, raven-haired woman (Bridget Regan, Legend of the Seeker) enters the room and identifies herself as The Morrigan – the Irish Goddess of Battle, Strife, and Sovereignty – and Ciaran’s mother.