A young engineer receives the news of his estranged father's disappearance. Back home, he discovers a secret room in his father's bookstore basement filled with strange objects and unknown technologies and waiting for him, a mysterious woman calling herself a Time Agent. She announced to him that his father was a time navigator who has turned rogue and he has to find him while fixing the damages on the timelines he caused.
No one would have suspected that voluptuous sexy African American woman, living the grand life in her Manhattan penthouse, being a fierce angel on earth to fight the forces of Evils. In this fight, Ruby sidekicks are Germain, her white older butler, also an angel, and Sarah, her human shy over religious assistant.