Andrew and Summer organise the entertainment for the school social and they attend a meeting with Tomas Bersky. Summer becomes uncomfortable with Tomas' flirting and Andrew kisses her to put Tomas off. Summer later learns Andrew has got back together with Natasha. She collapses at a party, due to drinking too much caffeine which affected her heart condition. Natasha warns Summer to stay away from Andrew and Summer goes on a date with Tomas. Andrew comes to see her and they have sex, unaware a fire has broken out in the next room. Summer and Andrew wake up and realise they and Michael (Sandy Winton) and Natasha are trapped. The firefighters rescue them all and Summer only suffers smoke inhalation. Andrew and Summer agree to date in secret, but Andrew reveals that Natasha is pregnant and ends the relationship. Summer becomes suspicious about Natasha's pregnancy and after learning that Natasha's ultrasound scan photos are fake, she exposes the lie. Summer then tells Andrew that they cannot be together after everything that has happened.