While Five-0 discovers a terrorist cell on the island, Danny has a flashback to one of the most eventful days of his life while working as a Newark police officer in 2001.
Did You Know?
Danno's daughter Grace was named after his partner who is killed in the line of duty. See more
McGarrett sees a red dot on Danny's shirt and tells him it's a infrared proximity detector. Infrared radiation is not visible. See more
Danny 'Danno' Williams
I don't hate dancing. I love dancing. I'm a dancing fool.
What Makes You Beautiful
Performed by One Direction See more