Julie and Mathieu, soon after meeting for the first time, embark in a quest across Paris to stop one of Mathieu’s pupil at school from doing anything stupid after finding a disturbing love note. Inside Mathieu’s old little car, the two characters mix like oil and water, with the math teacher’s carelessness for others not going so well with Julie’s larger than life personality. The more Mathieu discovers some fragility under Julie’s exuberance, the more the two become inseparable.

Jin drives an illegal taxi for the Chinese Triads but dreams of becoming a DJ. Playing inspiring electro music in his car, he meets Naomi, a troubling escort who makes him her private chauffeur. Falling in love, they decide to leave together. But Jin will have to double-cross some very dangerous people...