Secret Men's Business explores the relationships and issues of 4 school-friends reunited after the death of a beloved school teacher. During a weekend of sun, surf, girls, wives and late night reminiscing, the friends begin to deal with certain truths which have been ignored for some time. As relationships and issues are explored, the friends face their own personal challenges amidst a contempt bourne out of familiarity.

17岁少年托马斯.约翰逊（柯蒂·斯密特-麦菲饰）加入澳新军团，远赴土耳其，参加加里波利战役（第一次世界大战中著名战役）的故事。