Title: Breakdown Part 4/5 (Yes, an extra part added due to new bunny coming out of the burrow!)
Rating: 18 (violence!)
Spoilers: Series 1
Disclaimer: BBC, just for fun etc!
Summary to Pt4: Jack betrays his promises to Ianto. Ianto is out for revenge and commits the ultimate betrayal bringing something from his past to the fore.
Part 4...(...'What the hell have you done?' Jack bellowed. Ianto found himself being pushed back against the brick wall. 'Who are you?'....)