Ep 14. Na Hala a ka makua (Sins of the Father)

In Hawaii Five-0 season 4 episode 14, titled "Na Hala a ka makua" (Sins of the Father), the team is pulled into the complex and dark world of organized crime when a witness to a murder is killed in front of Chin Ho Kelly (played by Daniel Dae Kim).

The episode begins with Chin on a date with his girlfriend Leilani, when he witnesses a murder and chases the perpetrator. However, the killer manages to escape, leaving behind a key piece of evidence that the team uses to identify him as a member of the Yakuza.

In a parallel storyline, we see the arrival of Captain Grover's teenage daughter, who comes to visit him in Hawaii. However, there is tension between the Captain and his daughter, as she is angry with him for not being present during her childhood.

As the investigation progresses, the team discovers that the Yakuza is involved in the murder of an organized crime boss, a murder that was carried out in order to take control of the criminal underworld. In the course of their investigation, the team also discovers that the Yakuza have taken over a local casino.

Chin is forced to go undercover in order to infiltrate the Yakuza organization and gather evidence against them. However, things go awry when the Yakuza catch on to his cover and he is captured, leading to a thrilling hostage situation.

Through their investigation, the team uncovers a web of corruption, deceit, and revenge that extends beyond the murder case they are working on. They discover that Chin's father, who was also a police officer, was involved in a shooting that wrongly sent a man to prison for 15 years. This man, seeking revenge, has aligned himself with the Yakuza and is behind many of the crimes that the team has been investigating.

The episode culminates in a tense and emotional confrontation between Chin and the man who had been wrongly imprisoned. This scene effectively ties together the major themes of the episode - the sins of the father, the consequences of organized crime, and the complicated relationships between parent and child.

Overall, "Na Hala a ka makua" is a highly engaging episode of Hawaii Five-0 that expertly weaves together multiple storylines and themes while keeping the audience on the edge of their seats.