The Grind is a modern urban drama, set in world of sex, drug dealers, dance nightclubs and loan sharks. Vince is the nightclub manager of The Grind in Hackney, East London and having fought his way to a decent living and respectable lifestyle he is determined to settle down and take life easier. Upon meeting and starting a relationship with Nancy, Vinces dream of running a casino for his Boss and getting married looks set. Bobby, Vinces best friend from school, is released from prison and their friendship soon falls apart, Bobbys addiction to cocaine and gambling spirals out of control and he now owes a huge amount of money to Vinces boss, Dave ; owner of The Grind and an East End loan shark. Vince's life takes a dramatic turn for the worse. Loyalties are tested and friendships are pushed to their limits.

The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.