Kieren is feeling conflicted about seeing Simon secretly behind Amy's back. Simon manages to prove how much he cares for Kieren by agreeing to go to Sunday lunch at the Walker house. Amy sees them on their way to Kieren's house and is devastated by their betrayal.
Following his death four years ago, Kieren's friends and family believed that they'd never see him again. After his funeral though, thousands of people who have passed away came back to life as zombies. Following months of re-habilitation and medication, they are gradually allowed to return to their homes.
In The Flesh - Series 2, Episode 4 Synopsis and Schedule