Episode 421 is the 2082nd episode of The Bill.

Supt John Heaton arrives to take charge at Sun Hill. The CID team set out to impress the new boss by finding a local drug dealer who is wanted for GBH. DCs Sim and Walker investigate an assault and discover that a serial rapist may be at large.

Adam Okaro is referred to as the new Borough Commander, and wears the insignia of a chief superintendent on his epaulettes, but Cyril Nri is credited as Supt Adam Okaro.

First appearance of Supt John Heaton (Daniel Flynn).

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