A young girl, Eloise, who's passionate about fashion design is mysteriously able to enter the 1960s. There, she encounters her idol, dazzling wannabe singer Sandy, who she seems to share an inextricable connection with. But as Eloise indulges more and more in the delights of the past, she soon discovers 1960s London is not what it seems, and time seems to fall apart with shady and deadly consequences.