BBC Radio 1 presenter Greg James stars as a respected commercial late-night radio DJ, Jake Cross, who is unexpectedly given an opportunity to inherit the coveted breakfast slot when the previous presenter dies. Should he sell out now he has a shot at the big time, or should he try and maintain his integrity and small but loyal fanbase? His entourage includes an idiot best friend, a career-threatening agent, a highly-strung producer and an irritatingly successful rival radio DJ.