When Eva and her brother, Ruben accidentally travel back in time to 1957, they try to go unnoticed until they find a way to return… but their plans change when Eva falls in love with Italian heartthrob JJ from Club 57, the "it" TV dance show. Meanwhile, Ruben concocts a "get rich quick" scheme by giving his grandfather technology that hasn't been invented yet. Things backfire when Eva and Ruben return to 2019 and find out their parents aren't together anymore, their once loving grandfather is a grumpy old man and their beloved little brother Martin doesn't exist! Now Eva will have to risk everything, even JJ, in order to recover the family she lost.