十八年前,林朗生、沈敬一、謝家富等七位屋邨少年,與小混混胡啟思發生衝突,最終啟思倒斃地上……七人互生隔閡,從此各散東西,不相往還。十八年過去,警方調查一宗交通意外期間,發現啟思骸骨,七子無法再逃避昔日犯下的彌天大禍!矛盾掙扎之際,朗生與負責調查骸骨案的重案組督察阮麗瑾萌生情愫,內心更為困惑。與此同時,麗瑾的父親阮進亦暗中追查事件,似跟骸骨有所關連。隨著真相逐步浮現,七子人人自危,到底誰是真兇?
A story that revolves around a murder mystery from 18 years ago. Seven teenagers who got into a fight with the local thug are horrified to find out that he has died in the skirmish. The bury his body in hopes that no one ever finds out but a secret can only last so long.
Eighteen years have passed, Lin Langsheng (Shaun Tam), Shen Jingyi (Joel Chan) and Xie Jiafu (Anthony Ho) have become adults, each leading their own lives. However, their troubles have only just begun after the body of the thug is suddenly discovered and their crime unearthed. Ruan Lijin (Mandy Wong) of major crimes division is tasked to look into the homicide case. Can the perpetrators face the skeletons in their closets or will they continue to fall into the dark abyss? As Langsheng falls in love with Lijin, the situation becomes more complicated.