Charisma is flattered when a woman named Donna chats him up in a pub. He learns that she used to be the wife of a former fireman nicknamed Liver Salts. No sooner has she moved herself in with him, he discovers she took Liver Salts for a ride financially. Tate is behaving irrationally and humiliates Hallam over an incident involving some old tramps feared trapped in an old warehouse. Hallam calls in appliances from all-over London but the tramps are at a nearby off licence. Blue Watch are called to a fire at a business premises next to a lock-up containing chemicals. Tate warns that they must find out more about the chemicals before tackling the blaze but Charisma, wound up after a row about Donna, ignores the orders and rushes out into the fire. A car petrol tank explodes and engulfs Charisma. Badly injured, he is taken to hospital where he is visited by Donna. Although barely able to speak he tells her he knows about her past. (thetvdb.com)