Following a huge misunderstanding, two friends always decide to tackle everything to make up for lost time.
Alex, whose singing career can't manage to succeed, accepts a strange job : to make a pensionner choir sing nursery rhymes. She finds out a bunch of out of control old people who dream of singing rock and roll music ! Her mission will be more complicated than expected...
He is Franck Sharko, a crabby cop at the end of his rope. She is Lucie Henebelle, a lieutenant on the anti-crime squad obsessed with evil. Sharko and Lucie investigate top-secret scientific experiments and programs.
