Sybille, a recognized actress, preparing with enthusiasm her first writing film to get behind the camera. Everything seems to go well. Her producers, two sisters, are two wacky but lovable characters, and Sybille empties into the adventure with them, putting aside her family life. But, from the unlikely choice of actresses, the successive rewrites of the script, through the financial refusal, the wonderful dream turns into a nightmare. Incorrigible optimist, Sybille will realize too late that her whimsical and totally crazy producers are going to drag her in their madness ... One thing is certain, nothing will happen as planned.