You take your life in your hands when you go on a first date with Hawaii Five-0's Steve McGarrett.

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Lynn Downey will find this out quick enough when she joins McGarrett on one of his first post-Catherine outings. She may have a sense of adventure, but Lynn probably wasn't planning on running for her life when she agreed to go out with the former Navy SEAL.

"McGarrett's first date with Lynn (Sarah Carter) on a deserted island turns deadly when a mob boss hiding there hunts them down in order to keep his location a secret," CBS teased ahead of episode 7, "Na Kama Hele (Day Trippers)."

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It's a good thing McGarrett is equipped with enough Rambo skills for the two of them - Five-0 won't be able to drop everything to come to his aid. For those back on Oahu, high school football will turn deadly.

"Chin, Kono and Grover must race against the game clock to locate the father of a high school football star who will be murdered by a local gambler if his son doesn't throw the big game," CBS announced.

"Na Kama Hele (Day Trippers)" will air on Nov. 6. In the meantime, viewers can catch "Ka 'alapahi Nui" on Oct. 23 and "Na pilikua nui" on Oct. 30.

Hawaii Five-0 airs Fridays at 9 p.m. ET on CBS.