Irish Blood is a gripping six-part murder mystery that follows Fiona Sharpe (Alicia Silverstone), a high-powered Los Angeles divorce lawyer whose world is upended by a letter from her estranged father. Believing he abandoned her as a child, Fiona travels to Ireland to uncover the truth—only to discover that everything she thought she knew was a lie. As she pieces together the mystery of his disappearance, she stumbles into a web of family secrets, deception, and danger. With a past she never knew and a father she never truly understood, Fiona is determined to uncover the full story—no matter the cost.