A wacky inventor, his camera crazy best friend and a madcap monkey make a big mistake when let loose in the Professor's laboratory! With lotions and potions spilling everywhere, the troublesome trio accidentally create Franc, a musical talent of monstrous proportions. With the help of Lucille, a singer, the team will have to protect their new friend from Commissioner Maynott, who wants to increase his popularity by capturing Franc and revealing him to be a scary monster to the people of Paris.