Martha Higareda

After McGarrett and Wo Fat narrowly escape from maximum security, gunmen storm Five-0 headquarters, compromising Kono and Adam's secret location in Hong Kong and forcing McGarrett to break the law and turn on his own in order to find a kidnapped Catherine. Chi McBride guest stars as SWAT Captain Lou Grover and Henry Ian Cusick guest stars as a member of a terrorist organization.

The CSIs are led into the sexy world of male gigolos when they uncover an unusual murder weapon.

Hank travels to Monte Carlo and finds himself in the middle of a plot to rid Boris' bank of a shadowy depositor.

Hank and Divya treat a professional Hamptons house-sitter who never wants to grow up. Meanwhile, Paige makes a discovery that could complicate her new business with Russel.

Hank and Evan search for Emma after her unexpected disappearance. Elsewhere, Divya faces a new hurdle in her custody battle, while Boris worries his disease may be catching up with him.