Supply and Demand

DI Carl Harrington heads ESUS on his first case: pursuing suspected drug importer Lance Anthony Izzard. A crash caused by an overtaking vehicle near roadworks kills the tanker's driver and co-driver.

When Hall is murdered, DI Brown is determined to prove that Dt. Supt Hughes was somehow involved.

When junior secretary Peter Gleeson commits suicide after being exposed as being a homosexual, the team go undercover to investigate a private drinking club called the Golden Goose where they become embroiled in scandal, blackmail and tragedy.

Owner Pauline Monroe's sidelines in drugs and prostitution appear to be the key to unraveling the entire scam, but Hughes and McEwan come close to becoming embroiled themselves. As Edna discovers the truth, tragedy strikes when a drunken Monroe unleashes a gun on DI Brown.

Agent Frankie Li goes undercover on the security staff of Brian Ha Sung, a Hong Kong businessman and smuggler. When Harrington and McEwan intercept one of Ha Sung's shipments, they find it carries highly unusual cargo.