Lethal Legacy
12 episodes · premiered Apr 25, 2026
As an unexplained virus puts the ED under strain, the army keeps the peace and Flynn faces a long-buried secret.
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E1 In the Line of Duty
Our heroes step up as a mystery virus sweeps across Holby.
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E2 In the Line of Fire (1)
The paramedics face a life-and-death situation in the call centre.
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E3 In the Line of Fire (2)
Matty risks his career for Stevie.
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E4 Hook, Line, and Sinker
Stevie reels to discover Matty covered for her mistake.
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E5 Hold My Hand
Flynn uncovers more evidence on Bard, but is he too late?
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E6 Dancing in the Rain
Will Flynn be able to stop history repeating itself?
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E7 Clumps
Dylan discovers the truth about Stevie and Matty’s relationship.
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E8 How Far We Fall
Stevie faces the consequences of her actions.
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E9 Droplets
In the aftermath of the complaint, can Dylan make things right with Stevie and Matty?
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E10 Relapse
Dylan spirals as Matty confronts him about his drinking.
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E11 Father, Son, Holy Spirit
Dylan confronts the demons from his past.
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E12 Bang Bang
Flynn faces a moral dilemma when a patient is held at gunpoint in the ED.