Season 4, Episode 11 Pukana (Keepsake)
First Aired: December 20, 2013
Chin's life is placed in danger when a murder investigation reveals that the culprit may be a serial killer. Meanwhile, Danny and Grace find a mysterious puzzle box that washed up on shore in Oahu.
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- Premiered: September 20, 2010
- Rating: TV-14
- Premise: An elite police task force in Hawaii headed by a decorated naval officer probes high-level crimes. The series is a reboot of the classic Jack Lord crime drama of the 1970s. (more)