I never should have chosen him.

Lizzie has been in love with her colleague Dean for three years but he's never given her a second glance.

When a job offer in London promises to launch her art career she finally feels ready to upend her life in pursuit of her dream ... until the night of the office Christmas party when Dean confesses his love for someone else - Rebecca, one of Lizzie's closest friends.

A few days later, the police show up on her doorstep.

Rebecca is missing.

After the Party is another mesmerising thriller seething with secrets and lies from the bestselling author of The Girl Upstairs.