Nia Holloway (Siobhan), Jesse Johnson (Richie Gormican), and Walker Haynes (Sam Bishop). Context in the Series
Alex O'Loughlin (Steve McGarrett), Scott Caan (Danny "Danno" Williams—credit only), Ian Anthony Dale (Adam Noshimuri), Meaghan Rath (Tani Rey), and Katrina Law (Quinn Liu).
This episode takes place shortly after the death of Steve McGarrett’s mother, Doris. While the team works the heroin case, Steve is shown to be in heavy mourning and avoids calls from Danny, who is checking in on his well-being. Hawaii Five-0 Season 10 Episode 8 Review - TV Fanatic
The episode follows two primary storylines involving the Five-0 task force and Lou Grover’s personal life: