Here's the official guide of Hawaii Five-0 season 3 episode 23 "He welo ‘oihana", which airs on Monday, May 13 on CBS.
(*He welo ‘oihana is Hawaiian for “Family Business”)
McGARRETT HELPS HIS MOTHER EXECUTE A COVERT OP TO RETRIEVE AN INCRIMINATING MICROFICHE --
Craig T. Nelson, Treat Williams, Christine Lahti, Anthony Ian Dale and Daniel Henney Guest Star
- McGarrett must help his mother execute a covert op to retrieve an incriminating microfiche.
- Meanwhile, Kono’s life is in danger when she closes in on Adam’s secret.