When Erin's key witness, an infamous photographer, is nearly killed in a hit and run, she arranges for Danny to work protection detail to safeguard him. Meanwhile, Jamie and Vinny bust a drug operation. Elsewhere Frank confronts Henry about his driving and tries to convince him to hand over his keys, and they end up in a fight. Danny and Linda are having money troubles and when Erin's witness offers him a high paying job he and Linda consider it.