5 seconds of summer

Bradley Simpson lead singer of the vamps..
Luke Hemmings lead singer of 5sos..
What happens when they wake up as each other..how does the other members react more importantly how will the perform with a new person who has not only a different accent but a different voice..the race is on to figure out how to switch back before the summerball show in California..follow luke and Brad as they cope with a new life, new friends and a new band...