The team trace a taxi driver who viciously attacked one of his passengers. They investigate a foul smell coming from a butcher's shop. They get justice for a grieving mother whose daughter died after taking slimming pills bought online.
The team target a company that designed a cot that nearly cost a baby its life. Track down traders selling illegal skin whitening cream. Tackle a water company polluting a river.
The team pursue the people responsible for a horrific crash involving a tipper truck that killed four people. They also raid the luxury home of an illegal money lender.
The team investigate a huge gas escape in a residential street as homes are evacuated and a gas worker is trapped below ground. And they're on the trail of fly-tippers blighting one of the most picturesque parts of the UK.
A factory fire raging out of control is investigated. A tipper truck driver is caught on camera dumping industrial waste in the street. A warehouse is discovered crammed full of fake goods.
The team investigate the death of a car wash worker living in appalling conditions. They go undercover to catch a dealer in counterfeit medicines. Two company directors must compensate their customers.
The defenders investigate the tragic death of a Red Arrows pilot, smash a puppy-smuggling operation and fine a supermarket chain 8 million pounds after a massive leak at one of its petrol stations.
The defenders crack down on landlords putting tenants' lives at risk. A shocking video shows the damage caused by a fire in a block of flats. Defenders are on the trail of a serial con man.
The defenders investigate the death of a 7-year-old-girl when a bouncy castle blows away. They enlist the help of Wayne Rooney in tracking down a couple profiting from fake football memorabilia.
The defenders investigate an explosion which kills two brothers. A young girl is attacked by her neighbour's dogs. A victim of a crash for cash scam is determined not to let fraudsters get away with it.
The defenders crackdown on dealers selling dangerous bodybuilding drugs online, are on the trail of travel agents conning families out of thousands of pounds and take action against a golf club preparing food in filthy conditions.
Four people lose their lives when a lorry driver using his mobile phone ploughs into them. The defenders crack down on rogue airport car parking companies ripping off holidaymakers.
The defenders tackle a waste removal boss illegally dumping tons of rubbish in the Devon countryside then setting fire to it. They also crack down on a puppy farming gang.
The defenders crack down on shops illegally selling knives to under 18s. Actress Brooke Kinsella talks about her younger brother Ben who died after being stabbed eleven times.