A once-average teen and his friends become paranormal detective and document their adventures in an online blog under the pseudonym “Mr. Midnight.”

Boeing-Boeing is a classic farce written by French playwright Marc Camoletti. The English language adaptation, translated by Beverley Cross, was first staged in London at the Apollo Theatre in 1962 and transferred to the Duchess Theatre in 1965, running for a total of seven years.In 1991, the play was listed in the Guinness Book of Records as the most performed French play throughout the world.

影片以当代新加坡社会为背景，讲述了一个中学男教师（林友明主演）和一个男学生（由本片导演之一的罗子涵主演）之间的爱情故事和结局。男学生的母亲则是片中的另一个主要角色。影片呈现了三个人之间的人际关系和情感矛盾。爱白网据新加坡媒体报道，《单》片中有对同性爱的大胆呈现。
片长约70分钟的《单》中几乎没有人物对白，观众可在剧中人物的沉默中得出自己的感受和评判。《单》的主要电影创作人员和演员都是新加坡本地人。