Hawaii Five-0 will sail into Kono's past for "Mo'o' Olelo Pu (Sharing Traditions).

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We all know that a busted knee caused the cop to end her surfing career, but episode 23 will delve into her family life, introducing her parents and showing a young Kono (Grace Park) learning how to surf. Ironically, this trip down memory lane will come as Kono fights to survive on the same ocean she has grown so fond of.

"We have a big episode coming up-which is 523-it's a Kono mythology episode," showrunner Peter Lenkov teased, according to Entertainment Weekly, explaining Kono will reflect on the past while trapped at sea during a spat of storms. "You go back to her relationship with her mother and what she learned about survival in the ocean, how she learned how to surf."

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Catherine Haena Kim (Mistresses) will play Kono's mother Nani while Ken Narasaki (Trophy Wife) will portray her father, according to Entertainment Weekly. Out of the four original Five-0 members, the series has only shown a younger version of McGarrett (Alex O'Loughlin), but this will change when Miya Cech becomes a very little Kono.

Find out more when Hawaii Five-0 airs Fridays at 9 p.m. ET on CBS. Click the video below to see a preview for the series' next episode, "Kahania (Close Shave)."