Henry Montague, nicknamed Monty, does not care that his rebellious behavior does not correspond to the ideas of others about a true gentleman. He lives to the fullest and doesn't take life seriously. However, Monty's father, in the hope of re-educating his son, sends him, along with his sister and companion, on a grand tour of Europe. Monty agrees. He expects to spend the trip indulging in pleasure and sin. But his plans are not destined to come true: one reckless decision - and they declare a hunt for him. The matter is further complicated by the fact that Monty falls head over heels in love. Now danger threatens not only him, but also the people closest to him.