But after he visits her to explain that he only did it to protect his family, she forgives him and they have sex. Paul does not approve of Mason, so Kate moves into Number 26. Kate is surprised when she sees Mark during an eclipse. He later turns up at her house and explains that he has been allowed to leave witness protection and has been living in Sydney for the past two years. Mark asks Kate to give their relationship another chance, but Kate learns that Mark has a girlfriend in Sydney and tells him that she chooses Mason. However, Mason believes he is second best and breaks up with Kate. Kate then has a one-night stand with Kyle, but tells Mason it was with Mark. He forgives her and they get back together. Kate believes she is pregnant, but soon learns that she has premature ovarian failure. When Mason suggests that they try for a baby, Kate realises that they both want different things and she breaks up with him. Mason tries to win Kate back, but she makes it clear that they are never getting back together. Kate fails to get along with Georgia's cousin Gemma Reeves (Kathryn Beck), causing a strain on her friendship with Georgia. When Kyle and Georgia become engaged, Kate confides in Chris Pappas (James Mason) that she has fallen in love with Kyle. Unable to get over him, Kate moves in with Paul. Gem believes Kate is trying to turn Georgia against her and she gets Bailey Turner (Calen Mackenzie) to hack into Kate's email, where she discovers an unsent email from Kate to Kyle revealing the details of their one-night stand. Gem slips the email into the congratulatory messages at the engagement party, where Georgia reads it out. Georgia is devastated and ends her engagement and friendship with Kate. Georgia and Gem leave town and Bailey confesses to hacking Kate's laptop. Kate and Kyle find Georgia unconscious in a gas filled cottage and Kate saves her. Georgia is grateful, but does not want to mend their friendship. Kate admits that she is in love with Kyle and he reciprocates her feelings. They go on a couple of dates, but Kyle struggles to get over Georgia and breaks up with Kate. Mark returns to Erinsborough after helping out Mason. He decides to stay and win Kate back. Rebecca also returns and she