When a Navy petty officer is murdered, Jane and the team investigate while protecting the victim's friend and colleague.
When a list of undercover CIA agents is stolen, the team enlist the help of Magnum, Higgins, Rick and TC to get it back and protect national security; Higgins gives Tani some personal advice.
Someone attacks the bomb squad and demands the release of an arsonist from prison or they will detonate hidden explosive devices. The team track down the copycat bomber with the help of an inmate.
A dying man hires Magnum to find his estranged bone marrow-compatible brother; Magnum's case brings back memories of a past SEAL team mission that went sideways.