In Rome, a mounted carabiniere is set to marry his fiancée Letizia, yet he must keep the wedding a secret due to the regulations mandating an immediate transfer upon marriage. However, complications arise when a couple of nomadic women steal his horse, Rutilio. Amidst the chaos, the officer, accompanied by his friend Brigadier Tarquinio, navigates through various challenges to resolve the situation and recover his horse before the day's end.