on a gas pipe. At the party, the gas begins to leak and everyone falls unconscious. Justin decides to apologise to Katy and finds everyone unconscious. Justin pulls Katy to safety as everyone else gets out. Katy decides to give Justin another chance. She tells Warren that she still loves Justin and they ware back together. In January 2008, Charlie is revealed to have an acute form of leukaemia. Nancy and Jake plead with doctors to run tests to see if either of them are eligible to donate bone marrow to Charlie. The doctors discover that Jake cannot donate bone marrow as he is not Charlie's biological father, confirming that Justin is in fact Charlie's dad. Nancy finds Justin and tells him he is Charlie's dad and that he has leukaemia. Justin goes to the hospital and is found to be a perfect match for a bone marrow transplant, however, he is scared. Justin meets his son and cries with happiness. He tells Katy he is happy that something still exists of his relationship with Becca. Nancy and Jake break up on their wedding night after he tries to rape her. Nancy begs Justin to help her fight for custody of Charlie, Justin refuses. Justin tells Nancy that he cannot help her get custody because everything with him lying about Becca will be brought up and they will lose. Justin visits Charlie and tells him he will be better off without him. In February, Nancy asks him again but Justin refuses. After witnessing and argument between Jake and Nancy, Justin goes to see her and tells her he is scared of getting close to Charlie and then losing him like Ali, Mel, Sophie and Becca. After noticing how cruel Jake is to Nancy, Justin tells her he will not let a monster like Jake raise his son and he will join her fight for custody. Due to Justin being busy with Charlie, Katy begins feeling rejected and gets closer to Zak Ramsey. Katy and Zak end up kissing. Justin apologises to a guilty Katy for not being there enough for her. Brought together with Charlie's leukaemia and custody battle, Justin and Nancy share a kiss and end up sleeping together, at the same time Katy is sleeping with Zak. Justin does not tell Katy he is helping Nancy get custody. He tells her he is going to fix a leak