The team heads to Hawaii when an earthquake strikes Hilo. While Jack and Mac help Chenand Keno of the Five-0 team, Riley works with an attractive IT man to fix the city's cell network and Wilt rescues a dog.

To find out who a new terrorist organization, Omnus, is targeting, Mac is forced to impersonate Murdoc. However, he finds himself getting too deep into the hitman's head. Meanwhile, Wilt and Riley try to find a killer that a couple hired Murdoc to dispose of.