Sisters Kat and Jo realize a Zombie Apocalypse has started in Birmingham and plan to escape it in a boat. Sunny and Amar flee from the Train station when the find themselves a Zombie, will they make it to safety or succumb to the zombies?

Kat and Jo want Amar and Sunny off the boat. Jo is upset about ex-boyfriend Rob and decides to get her phone to call him. Amar joins her, determined to find a car. Kat meets her online gaming idol, BIGDAMEHERO, and doesn’t listen to Sunny’s words of warning.

Our gang arrive at the hotel where Sunny and Amar spent their stag weekend. Amar insists they check if their mates are alive. Kat makes Jo stay and guard Dorothy.

Amar and Jo head to the supermarket where she used to work - where they meet Chloe, Jo's former colleague. However, things soon take a troubling turn.

Kat worries about sharing a kiss with Sunny with Zombie Jude still on their trail. Meanwhile, the gang encounter another boat, which Jo decides to stay on to avoid Kat's bossiness.

The gang are taken to the evacuation centre, where they meet Rob, who is looking for Jude, who he thinks is patient zero. Soon, Jo is bitten, but she shows no zombie symptoms...