William tries to help Zach, a once-promising high school athlete who has fallen victim to meth addiction.

A mother thinks her teen daughter is involved with drugs though her drug test comes back negative. The mother enlists the help of William to prove this theory one way or another.

You never know where drug rings may show up. In this ongoing episode a wife, from the suburbs, involves herself with a drug ring. Her husband enlists the help of William to crack the ring.

A mathematics professor uses cocaine to help him publish his research in time. His girlfriend and colleague requests William's help. William tries to stop the professor before he loses everything--his career, personal life, and even his immigrant parents' diner. Meanwhile, William's son discovers a used needle in their house after a dinner party. William realizes that the needle belongs to his former sponsor and must decide whether to cut his sponsor out of his life.

A teenage boy needs William's help with his father, who once went to prison because of William's past efforts. The man is back on the streets and using meth again.

William is determined into searching for the former partner of an FBI agent; the missing man is found in a tent city of meth manufacturers, William then realizes that he's has been told lies about the real reason why the FBI agent is looking for her old partner.

William's friend needs help with a student who is abusing heroin and prescription drugs. The boy's father causes problems for the crew. William thinks the boy might be attempting suicide.

The gambler notices his favourite jockey is using a lot of drugs to meet weight and asks William to step in.

The original interventionist brings William in after his intervention with a woman goes wrong and she ends up on the streets. The original interventionist considers William a "Thug" making William question his own motivation for finding the woman.

A teenager pianist turns to meth in order to cope with the pressure, the father of the teenage girl asks William's crew for help, but they are stonewalled by the girl's mother.

The brother of an striving actress discovers his sister cocaine addiction and tries to get William's crew to help. Akani races to find Sweton after he mysteriously goes missing.

William rescues a team member, while the others go undercover at a sorority house to get information about a drug dealer.

William devises an extreme intervention when a couple's alcoholism endangers their daughter.