After John returns in the evening bubbling with self-aggrandising chatter, he quickly falls prey to a ferocious case of sleep apnoea that exacerbates Charlotte's own case of jet lag and eventually leads to a series of accidental, then not so accidental, encounters with Bob in the bar.
"In a worst-case scenario, you could eject from a fighter jet, " says senior CAL flight instructor Chou Yu-sen, who once trained F-104 and T33 combat pilots.