Sam

Samantha Grover is the daughter of former HPD member/current Hawaii Five-0 member Lou Grover and his wife Renee Grover. She is the older sister of William Grover.

Season 4
In Akanahe, Samantha gets caught by her father for talking to her boyfriend on her laptop and confiscates it, sarcastically telling her to use a pencil for school work.

In O ka Pili'Ohana ka 'Oi, Samantha is kidnapped by Ian Wright, a millionaire hacker who is a criminal that Five-0 had to let go to save other people. Ian kidnaps Samantha and demands that Lou Grover gives him $100 million dollars in order to get his daughter back. Before she is released by Ian, Wo Fat shows up and kills Ian. He then lets Samantha go on the condition that she gives McGarrett a message from him. She is then released and shows up at the Five-0 headquarters unharmed. She gives Steve the message and then leaves from there with Lou to go home to her family.