Brodie's evidence clears his name, but the mystery of who sabotaged the boiler remains unsolved. Meanwhile, Steph is overjoyed to be reunited with her son Charlie, and Mark has planned the "ultimate boys' day" for him. Despite Toadie's teasing, Mark is excited to spend quality time with his stepson and show him a good time. However, things are not going well for John, who is suffering from ni...