New Blood (2016– )
2 user 1 critic

Case 1, Part 1 

A drugs trial in India has repercussions years later when a teacher is murdered. Trainee detective Rash and junior SFO investigator Stefan are separately drawn into the case.


Anthony Philipson


Anthony Horowitz, Anthony Horowitz (created by)




Episode cast overview, first billed only:
Mark Strepan ... Stefan Kowolski
Ben Tavassoli Ben Tavassoli ... Arrash Sayyad
Mark Addy ... DS Derek Sands
Anna Chancellor ... Eleanor Davies
Ariyon Bakare ... Marcus Johnson
Aiysha Hart ... Leila Sayyad
Dorian Lough Dorian Lough ... DI Martin Heywood
Kimberley Nixon ... Alison White
Charlie Archer Charlie Archer ... Mark Henson
Ian Bartholomew Ian Bartholomew ... Tom Robinson
Ian Bonar Ian Bonar ... Henry Williams
Mark Bonnar ... Peter Mayhew
Slawomir Doliniec Slawomir Doliniec ... Jan
Kathryn Drysdale ... Laura Jones
Mandana Jones Mandana Jones ... Nasreen Sayyad


In India a group of young Britons agree to take part in clinical tests for Green Fern chemicals firm though one of them, Henry Williams, escapes and kills a doctor. Six years later in London DC Rash Sayyad assists DS Sands after teacher Mark Henson is found murdered. In the course of enquiries Rash learns from Mark's colleague Laura Jones that they were two of the Indian guinea pigs, a third one, Steve Mullen, having also been killed and arousing Rash's suspicions that Laura is also in danger. Henry, living at home with his mother, is clearly a very troubled young man. Meanwhile fraud officer Stefan Kowolski is sent undercover by bosses Eleanor Davies and Marcus Johnson to investigate David Leese, CEO of Remicon, pharmaceuticals, suspected of bribing doctors to buy his products and, unknown to Stefan, with a link to Green Fern. Rash and Stefan meet for the first time whilst both are taking part in an athletics race though their competitiveness does not make for the easiest of ... Written by don @ minifie-1

Plot Summary | Add Synopsis


Crime | Drama | Mystery


TV-14 | See all certifications »


Official Sites:

Official Site




English | Polish

Release Date:

2 June 2016 (UK) See more »

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Technical Specs


Sound Mix:



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Did You Know?


Mark Bonnar (Peter Mayhew) & Henry Pettigrew (Bruce Lockwood) also worked together on Line of Duty (2012) as Dryden & Cole respectively. See more »

Alternate Versions

For German TV-premiere broadcaster ZDF cut the first three episodes (55 minutes each) into one 120 minutes TV movie. See more »

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User Reviews

New Blood 1
14 September 2016 | by Prismark10See all my reviews

From Anthony Horwitz comes this high octane thriller focusing on young people full of HI-NRG beats and fast edits.

The opening episode starts in Mumbai as some British backpackers were once paid to take part in an experimental drugs trial that has gone wrong and they are now being bumped off.

Meanwhile the Serious Fraud Office (SFO) has Stefan Kowolski (Mark Strepan) who is of Polish origin on the inside of a Pharmaceutical company investigating the award of suspicious NHS contracts.

Stefan is cocky, competitive and foolhardy and comes into contact with trainee detective Rash Sayaad (Ben Tavassoli) who is working for the Met and investigating a loony loner who might be knocking off the returned backpackers. Both are at loggerheads with similar sized egos and competitiveness but their cases are linked.

The initial episode did feel ropy despite the fast cuts and plenty of shots of the gleaming buildings in Canary Wharf and elsewhere. It did show promise and some humour between the two leads.

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