Darrell Lake

After Foster’s boyfriend, Dave Burns, gets abducted, Lightman tries to track him down with the help of Burns’ mysterious ex-partner.

When a journalist is killed, Five-0 must use his past reporting to hunt down a presumed dead Congolese warlord who is alive and well living on Oahu. Also, as Valentine's Day approaches, Danny overreacts when Grace's texts to a boy start accidently coming up on his cell phone. Barkhad Adbi guest stars as the Congolese warlord.

Ben nears the end of his training period as he deals with John's escalating drug problem. Sammy prepares for fatherhood. Lydia embraces a teenage victim and fights her emotions during a high-octane shootout.

A deadly explosion takes place at a charity event sponsored by the military.

When Martin comes in contact with a homeless man who possesses the same obsession with numbers as Jake, he sets out on a series of seemingly unrelated tasks that connect an abused African woman, a group of African boys entering a dance competition and an outgoing woman at California’s famed Coachella Valley Music and Arts Festival. Meanwhile, Teller (guest star Danny Glover) pays a visit to Jake’s board-and-care facility and emotions run high for Clea.