[s4e15] Pale'la (buried Secrets) May 2026

While the team handles the murder, two main characters face their own revelations:

By the end of the episode, the "buried secrets" are brought to light: two victims are exhumed, a marriage is ending, and Grover’s haunting past is no longer a solitary burden. Pale'la (episode) | Hawaii Five-O Wiki | Fandom

: The team discovers an employee at the smelter has been stealing and reselling confiscated firearms.

: One of these illegal guns was sold to a prominent defense attorney, Gerard Burns . Burns confesses to killing Ingram after discovering the agent was having an affair with his wife.

: Danny’s mother, Clara Williams (guest star Melanie Griffith), arrives on Oahu with a "bombshell". After decades of marriage, she announces she is divorcing Danny’s father because she is tired of waiting for her turn at a life of her own now that he has finally retired.

: Dr. Max Bergman determines Ingram died from a gunshot wound. The bullet matches a weapon that was supposed to have been destroyed in a police smelter.