Watch Under The Sign Of The Stallion Full Movie Free Online 123Movies. The Stallion is everything François would like to be, a magnificent, dominant stud who knows what he wants and gets it! He is the hero of is imagination and the porno novel François is writing. Here the boundaries between art and fiction no longer exist. The author becomes his own hero — The Stallion — and puts the real people in his life into any sexual situation that pleases him.