The Beast Must Die

Gripping revenge thriller - a grieving mother wants to wreak revenge...

Cush Jumbo, Jared Harris & Billy Howle star in this gripping BritBox revenge thriller. A mother sets out to avenge her young son’s death, while a detective tries to unpick the web of tragedy & steer a course to justice.

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Frances Cairnes begins her search for the person who killed her six-year-old son.

Frances Cairnes begins her search for the person who killed her six-year-old son in a hit and run. DI Strangeways arrives on the Isle of Wight, hoping for a fresh start after the death of his colleague.

Having found the man she believes is responsible for the death of her son, Frances sets out to inveigle her way into his home as she plots her revenge.

Strangeways continues his own investigation into the case.

Staying on as a house guest, Frances must now work out how she is going to see through her murderous plan. While Strangeways continues his own investigation into the case, he begins to question what Frances’ presence on the island may mean.

An unexpected turn of events threatens to derail Frances' plans.

Frances looks set to exact her revenge, when an unexpected turn of events threatens to derail her plans. While things heat up for DI Strangeways as he uncovers further leads into Frances’ unsolved case.

DI Strangeways, blindsided by a surprising discovery, scrambles to find answers.

Frances struggles to deal with the fallout of her attempt to punish the man who killed her son. DI Strangeways, blindsided by a surprising discovery, scrambles to find answers before it’s too late.

The Beast Must Die

The Beast Must Die

Series 1

Episode 1

Episode 2

Episode 3

Episode 4

Episode 5