Following the violent abduction of an ex-NSA cyber-terrorism expert in the middle of downtown Waikiki, Five-0 must race to rescue the man, and prevent a breach of national security.
After confronting Brody, Sarah decides she doesn't want him to be a part of her life; Olivia struggles with a new addition to the family.
Rob asks Hector to teach him Spanish - in secret - so he can understand what Maggie's family is saying about him. Meanwhile, Fernando pretends to be on a diet for Rosa.
