Ep 3. Kanalu Hope Loa (The Last Break)

When a body is discovered in the water, the team is called in to investigate. The victim is identified as Kanalu Hope Loa, a talented surfer who had been training for a big competition. As the investigation unfolds, the team learns that Kanalu had been involved in some shady dealings with a surfing company that sponsored him.

Meanwhile, Danny receives a surprise visit from his mother, who has come to Hawaii to attend her granddaughter's soccer game. While Danny is happy to see his mom, he soon realizes that there is some tension between her and his wife, which prompts him to try and get them to talk and work things out.

As the investigation into Kanalu's murder continues, the team discovers that the surfing company he was involved with may have been using illegal steroids to enhance their surfers' performance. They also find out that Kanalu had uncovered this and was planning to go public with the information.

With the help of a former surfing champion who now runs a program to encourage young surfers, the team is able to track down the people responsible for Kanalu's death and bring them to justice. At the same time, Danny is able to help his mom and wife resolve their differences and come to a better understanding of each other.

Overall, this episode of Hawaii Five-0 is a fast-paced, action-packed adventure that will keep viewers on the edge of their seats. With a compelling mystery at its core and strong performances from the entire cast, this is definitely an episode that fans of the series won't want to miss.