After Maura declares the suspicious death of a fire fighter whose equipment caught fire a murder, she becomes the next target as the killer attempts to run her over, but Maura's adoptive mother Constance Isles pushes her out of the way and lands in ER. The burnt-down denim factory is owned by serially-abusive ex-con Arnold Whistler. With Constance in critical condition, Paddy Doyle comes to protect her and Maura, who tells Jane, who tells in in bed to visiting FBI agent Dean, confidentially as her boyfriend. Jane and Korsak suspect that a firefighter sets the fires, so they inspect his not-amused colleagues. Planning a sting to catch the killer, Jane sends Maura undercover. Paddy shoots the killer, who is about to shoot Maura. Not seeing this, Jane and agent Dean tun in the latter starts a gun fight with Doyle, ending with Jane hitting Paddy, who falls off a platform and hits the ground, dying while uttering 'Hope'.
—KGF Vissers