Stoffel Vandoorne, Fernando Alonso and the McLaren-Honda racing team continue to prepare for the 2017 season. Stoffel's gruelling fitness regime intensifies with endurance training. In the UK, 700 engineers, mechanics and designers are racing to build a new car for Stoffel and Alonso. The final piece of the car-build arrives: the new Honda engine for fire-up. But will all go according to plan?