世界各地发生多宗少女失踪个案，幕后策划是Madame M ，她专门诱拐并训练貌美少女，令她们成为防不胜防的床上杀手。一群女孩被软禁在荒岛上进行地狱式的特训，钻研各类型的战斗知识及暗杀技巧。活泼开朗的海遥坚强沉郁的Katt先后抵达荒岛，二人在艰苦的考验中互相扶持。海遥及Katt执行任务，海遥负责色诱目标，然后以折断脊椎来杀死对方。
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.
