Season 1 / Episode 2
In childhood, his sister Megan help Brian from misuse of his teacher. He promise will pay her back, but not long she get sick and make him unable to help her.
Scorpion get job from state about mayor’s daughter get sick. Someone make her sick with virus from computer. They found it related to a pharmaceutical company, they need to break in to get information.
They found that a college professor do to revenge his daughter dead to the mayor, they found the way to inverse the virus.