When extreme weather suddenly hits the Netherlands in 1963, a 120-mile tour skating event taking place on natural ice forces its contestants to contend with life-threatening race conditions.
Two young boy twins receive a boat of their own by a stroke of luck. It turns out to be very fast and they use their boat to help out their friends.
The twinbrothers Sietse and Hielke Klinkhamer want to raise money for their ill friend, Marieke.
