A struggling four-piece South London jazz band find themselves transported back in time to the 1920s and 1950s via an elevator in a dilapidated block of flats. Met with stares and curiosity in the past, the group hilariously navigates the clash of cultures and social conventions all while exploring worlds that are both incredibly familiar and painfully foreign.
Horace is desperate to go back in time and save his Grandma from slipping on the stairs but time travelling with Homeless Pete is not an exact science and the band find themselves in 1958.
The gang move in with Victoria and Nick wants to open his own jazz club, which Lauren sees as a new business venture. Meanwhile a mysterious woman called Janice is tailing the gang - is she a spy?
Victoria decides that it's time to marry off her and Jason's son, JJ. But it seems the only woman JJ has eyes for is Lauren.
Horace's private diary from 2019 is published in 1958 and becomes an overnight 'science fiction' sensation.
General Hands agrees to come and play at the club, but Nick's more than a little put out when he forms a much closer bond with Jason. Lauren, meanwhile, is enraged when her money goes missing.
Nick befriends some West Indians and Horace befriends some Teddy Boys, but when the two groups meet, it sparks a race riot.
