Trying to leave their troubled lives behind, twin brothers return to their hometown to start again, only to discover that an even greater evil is waiting to welcome them back.

The individual journeys of the four members of the band, as they move through the music scene of the 1960s, playing small clubs throughout Britain and performing some of the biggest hits of the era, until their meeting in the summer of 1968 for a rehearsal that changes their lives forever.

The wildly funny and touching story of a lonely Hawaiian girl and the fugitive alien who helps to mend her broken family.