Exploring an abandoned WWII bunker, three teenagers discover a body and our 5-0 team is called in to investigate. Upon arriving at the scene, they quickly find out the victim is still alive. Following several leads, McGarrett and the team stumble onto an investigation led by Fryer, who is looking into the murder of a Jane Doe. Ultimately, they discover the victim was searching for his missing son; Fryer’s Jane Doe and the proprietor of a tourist bar were working to scam the distraught father out of the reward money he offered to find his son. The 5-0 team is able to find the son's real killer and get a confession out of him.

Adam Noshimuri, Hiro’s son, confronts McGarrett about his missing father and Chin Ho and Malia get married.