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In the 2018 BBC One miniseries "Ordeal by Innocence", Ella took the lead as Hester Argyll, a young woman determined to uncover the truth behind her mother's murder and exonerate her father, who is wrongly accused of the crime. Throughout the gripping six-part series, Ella showcased her acting prowess by portraying Hester's emotional journey, resilience, and unwavering determination in the face of adversity.