Always a Witch follows Carmen Eguiluz, a young 17th-century Colombian slave and witch who is sentenced to be burned at the stake for falling in love with a white man. Before her execution, she makes a desperate deal with an immortal wizard to travel through time to the present day in Cartagena, where she must navigate the complexities of modern life while keeping her magical identity a secret. As Carmen adapts to the 21st century, she faces the challenges of fitting into a world she doesn't understand, all while trying to find a way to save her beloved from his own tragic fate. Along the way, she forms unexpected bonds with a group of university students and discovers that her powers are both a gift and a dangerous burden in a world that has moved on from the superstitions of her past.