Underbelly (2008)

S01E04 Cocksure

Carl Williams is discovered in the act of betraying the formidable Moran brothers, throwing the criminal underworld into chaos as they scramble to uncover the origin of the inexplicably cheap drugs flooding the streets. Meanwhile, a kidnapping takes a disastrous turn when the ransom goes unpaid, transforming what began as a farcical situation into a full-blown crisis, intensifying the already mounting pressure.