In Victorian England, an apothecary secretly sells poison to abused women, but her carefully crafted scheme is threatened when her latest client’s secrets endanger everything.

In Victorian England, Julia runs an apothecary shop that sells deadly poison to women in need of escape from their domineering husbands. Mrs Theodora Finchley, unknowingly to Julia, will be her most significant client yet, possessing the potential to unravel her meticulously laid schemes.