故事发生在上世纪的六十年代，布莱恩（约翰·库萨克 John Cusack 饰）是乐队“海滩男孩”的队长。布莱恩极富魅力，才华横溢，唱作俱佳，在他的带领下，乐队很快就在业内赢得了不菲的声誉，稳坐畅销榜的首位。 乐队的扬名立万带来的却是一桩桩的麻烦和排山倒海而来的压力，最终，布莱恩不堪重负，精神濒临崩溃的边缘。就在这时，布莱恩遇见了名为尤金（保罗·吉亚玛提 Paul Giamatti 饰）的精神科医生。一直以来，尤金以其过激的治疗方式在业内引起过诸多的争议，然而，布莱恩的病情却在尤金的治疗之下渐渐好转，可是，随着时间的推移，尤金步步紧逼，渐渐掌控了布莱恩的全部生活，令他和他的乐队成员之间产生了激烈的矛盾。
After the parties, jobs, and hook-ups well into their thirties, eight friends are trying to hold on to their group as they learn that while growing up is hard, staying close is harder.
Dragonfly is about unlikely friendships. Seeing a lack of care, COLLEEN decides to care for ELSIE. Never sure of her motivations, Dragonfly is a chillingly tense narrative that will make you question your preconceived judgements.
