Sarah Demers has this nagging feeling she’s not a real physicist, and after dropping out of college, Kevin Smiley can’t seem to shake his feelings of inadequacy.

On a flight to St. Louis, the plane Brad Lawrence is on, needs to make an emergency landing, and while Keven Griffen is doing field work in Sierra Nevada a wildfire breaks out.

Gregor Posadas joins the army to pursue his dreams of becoming an engineer and fulfill his father’s wish of “fixing” their home country of the Philippines, and after losing his father as a young child, Nanduh Balakrishnan feels compelled to use his school savings to buy a life saving drug for a patient at the hospital he’s working at.

While constantly staring at Mercury’s craters for NASA's MESSENGER mission, a picture of the Galapagos Islands captures Paul Byrne’s attention, and while serving in the navy to get his engineering degree, David Estrada is struck by the level of poverty he witnesses on the tiny island of East Timor.