Black Maria, M.A.

The investigation into Ralph Black's suspicious death unfolds as his sister, Maria, a headmistress with a knack for solving mysteries, travels from England to uncover the truth. Convinced that the police's ruling of suicide is a cover-up, she delves into the complexities of family secrets and hidden motives. As Maria navigates the dangers surrounding her brother's case, she must race against time to reveal the true circumstances of his death, setting the stage for her debut as "Black Maria."