While attempting to comfort a concerned gambler who is demanding his favorite dealer, Nessa discovers the diehard blackjack player has a bomb strapped to his chest. As she causally alerts Ed - who joins the nervous bomber at the table - Nessa attempts to talk him down while Danny discovers the horrifying truth that second bombs has been planted inside the hotel by an accomplice. Elsewhere, Mary and Sam prep the pool for a private concert by rock star Everlast for a group of privileged teenagers while Delinda attempts to make her kitchen demonstration a success.