When the Lab Rats are caught on video using their bionics, the video goes viral and their secret is revealed. Government agents arrive and place the house on lockdown.
Krane attacks Leo, Douglas and Principal Perry. Leo's arm is badly injured. It can't be saved so Douglas implants bionics into it. An epic battle with Krane ensues.
The agents uncover a dangerous game of chance that is killing Chinese immigrants and securing internal organs for the black market.
Fourteen-year-old Leo and his newfound siblings, a trio of superhuman teens, together learn to navigate a typical high school with not-so-typical bionic glitches.
Michael prevents a man from committing suicide. He had lost his savings in a scam after investing in a `miracle drug' for his son, who suffers from a heart condition - so Michael decides to get him his money back. Meanwhile, he has to deal with an explosion at his place and the fact that his brother is in jail.