Marion and Ben, both 30, meet on Tinder. That's about all they have in common, but the opposites attract each other, and they decide in the early morning of their meeting to go on vacation together despite the advice of their entourage. They finally decide on Bulgaria, which is halfway to their dream destinations--Beirut for Marion, Biarritz for Ben--with no precise plan and, as they realize, with very different conceptions of what a dream holiday should be.