Secrets): [s4e15] Pale'la (buried

: 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. [S4E15] Pale'la (Buried Secrets)

: The team discovers an employee at the smelter has been stealing and reselling confiscated firearms. : One of these illegal guns was sold