François Allain helps a friend who wants to give a new lease of life to his three-wheeled vehicle: a Zundapp KS 750 side car from 1943. Mechanical problems, brake and paintwork ... everything has to be reviewed. The expert then invites the journalist Olivier Delacroix. This one tries to tame, on a ground reserved for 4x4, the Ural Side Car, famous Russian war motorcycle.
