Zara’s messy hen do in an isolated Welsh cottage gets derailed by the apocalypse. With limited supplies and no survival skills, the gang of Midlanders face an uncertain future.

Mother of the bride Bernadette makes an outrageous plan to improve post-apocalyptic life for the hens, but she faces opposition. Shelly tries to make amends for her past mistakes.

Chief bridesmaid Shelly makes a shocking discovery that could ruin everything for the hens. As time runs out, she finds an ally and takes drastic action.

On the eve of her wedding day, Zara finds herself in emotional turmoil. With the future of the group at risk, she’s forced to pick a side, but will her faith be rewarded?

After the shocking events of the day before, the hens face the ultimate survival challenge and have to decide what to sacrifice for love. Will the bridal party emerge victorious?