Given the question: Build a movie plot around this: Why does Mireau order his artillery to open fire on a french trench? Because B Company refused to leave their own trench after sustaining heavy casualties.
The answer is:
The film begins with a voiceover describing the trench warfare situation of World War I up to 1916. In a chateau, General Georges Broulard (Adolphe Menjou), a member of the French General Staff, asks his subordinate, the ambitious General Mireau (George Macready), to send his division on a suicide mission to take a well-defended German position called the "Anthill." Mireau initially refuses, citing the impossibility of success and the danger to his beloved soldiers, but when Broulard mentions a potential promotion, Mireau quickly convinces himself the attack will succeed.Mireau proceeds to walk through the trenches, asking several soldiers, "Ready to kill more Germans?" He throws a disturbed private (Fred Bell) out of the regiment for showing signs of shell shock, which Mireau considers simple cowardice. Mireau leaves the detailed planning of the attack to the 701st Regiment's Colonel Dax (Kirk Douglas), despite Dax's protests that the only result of the attack will be to weaken the French Army with heavy losses for no benefit.During a nighttime scouting mission prior to the attack, a drunken lieutenant named Roget (Wayne Morris) sends one of his two men ahead as a scout. Overcome by fear while waiting for the scout's return, he lobs a grenade and retreats. The other soldierCorporal Paris (Ralph Meeker)finds the body of the scout, killed by the grenade. Having safely returned, he confronts Roget, but Roget denies any wrongdoing, and falsifies his report to Colonel Dax.The next morning, the attack on the Anthill proceeds. Dax leads the first wave of soldiers over the top into no man's land under heavy fire, but the attack is a failure. None of the men reach the German trenches, and B Company refuse to leave their own trench after sustaining heavy casualties. Mireau, enraged, orders his artillery to open fire on them to force them onto the battlefield. The artillery commander refuses to fire on his own men without written confirmation of the order. Meanwhile, Dax returns to the trenches, and tries...