Watch Hawaii Five-0 2010 S04e05 🎁 No Sign-up

: Catherine and Billy are ambushed during a routine surveillance job. Billy is mortally wounded and later dies in the hospital. McGarrett and the Five-0 team hunt for the killer, eventually tracing the hit to an assistant in a mistress's office who acted out of unrequited love.

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: In Hong Kong, Adam Noshimuri considers making a major sacrifice to ensure Kono's safety. : Catherine and Billy are ambushed during a