Gauthier (Tom Dingler), a young journalist, finds a letter suggesting he might be the son of Guy Jamet (Alex Lutz), a 72-year-old French pop singer who was famous from the 60's to the 80's. As the old-time singer embarks on a tour to promote his newly released covers album, Guathier follows his maybe-biological father under the pretext of filming a documentary about Guy's career.