Londyn Silzer

The bodies of two serial killers are found with chess pieces in their mouths, so the team hunt for the vigilante.

A rogue MI-6 agent is the key to finding a terrorist who plans to cause the meltdown of nuclear reactors across Europe. McGarrett and Danny need the help of an FBI profiler to find a killer.

A serial killer has kidnapped Alicia and McGarrett before they could catch him so the rest of their team race against time to find them.

Chin gets kidnapped and ends up in serious danger of being executed. The team must find and rescue him before it's too late.

McGarrett's mother is captured and may face execution for trying to free Wo Fat's father. Chin is unable to delay Sara's adoption.

McGarrett and Kono suspect that an abused young girl may be the victim of a sex trafficking ring on the Island, and Chin and Grover investigate a murder at a sober living facility.