The reef is a special forces unit of engineering. Captain Luo Yi brought academy Master Guo Xiaoyang, Guo dream when the expulsion of the captain, the work here and his ideal be misfits, but the captain was very strict with him, Xiaoyang don't understand. A first explosive work in Xiao Yang due to the negligence of nearly lead to disaster. Fortunately, Luo Yi saved him, Xiaoyang changed, but also gradually found Luo Yi was his own brother. Two people fall into the complex emotions, but also raise many feelings. In a settled submarine explosion problems, Luo Yi to save comrades died.