when she learns he has been lying to her and his family. After Paul Robinson is pushed from the Lassiter's Hotel mezzanine, Kate gives his wife, Rebecca (Jane Hall), a false alibi. Rebecca later confesses that she pushed Paul. Detective Mark Brennan asks Kate on a date and she accepts. Declan tries to put Kate off Mark by claiming Mark has been threatening him. Mark and Kate begin dating, but when Kate confesses to giving Rebecca a false alibi, Mark breaks up with her. They get back together when Mark tells Kate he loves her. When Mark is asked to go into witness protection, Kate agrees to go with him. Kate and Sophie are too late to meet Mark and Kate is devastated to find he has gone. She later has a one-night stand with Rhys Lawson. When Kate learns Mark has been killed, she is comforted by her student Noah Parkin and they kiss. Noah tells acting principal Priya Kapoor and Kate's relationship with Sophie deteriorates because Sophie had a crush on Noah. When Noah explains to Priya the circumstances surrounding the kiss, she decides to handle the investigation internally, but Kate quits her job. She takes off and goes to Port Douglas with Erin Salisbury (Elise Jansen). She had a brief romance with Dominic Emmerson. Dominic decides to accompany Kate to Vietnam, but Paul arrives to tell her that she needs to come home as Sophie is in danger of being taken into care. Kate reluctantly returns to Erinsborough, where she and Sophie talk through their issues. They decide to live apart. Kate realises she has feelings for Kyle and decides to fight for him, even though he is in a relationship with her friend Jade Mitchell (Gemma Pranita). She also becomes manager of Charlie's bar. When Kate discovers Lou has taken $8000 from Kyle's business account, she protects him and replaces the money. Kyle's grandmother, Sheila (Colette Mann), encourages Kate to go after him. Kate and Kyle kiss, but they both feel guilty and Kate tells Jade. Kate decides to return to teaching and she moves in with Paul and Sophie. Kate also befriends Georgia Brooks (Saskia Hampele) and is asked out by Mason Turner (Taylor Glockner). Kate turns Mason down when she learns he is only eighteen, but she later changes her mind. When Mason is arrested for attempted armed robbery, Kate ends their brief relationship.