四個性格迥異的人，組了劇團，一場意外讓劇團在遺憾與恨中解散。三年後，三個男子重新聚首，劇團唯一的女團員不見了。她能去哪？三名男子除了猜測推敲韓茵的下落外，更繼續了三年前未完的怨懟，甚至挖掘出不為人知的秘密。維繫三人友情的最後一絲張力，即將崩解！那段日子究竟是一場美夢，還是將被遺忘？
　
These four young people with different characters and personalities cherish their friendship. They organize a theoretical troupe. They express themselves by using seemingly limitless youth and vigour. In an accident, some regret and hatred develop among them. This troupe ends up being dismissed. Three years later, the three young men get together. But Hanyin, the only female member of the troupe, is missing. Where is she? Besides making investigation on her whereabouts, the three men also try to resolve the unsolved problem that happened three years previously. They even dig out some secrets. The last delicate layer which could maintain some degree of friendship will soon be destroyed. What on earth is that period of happiness? Was it a dream or will it be totally forgotten?