Nic is a lonely mum who is grieving a loss she cannot tell anyone about. She feels trapped in her life, her depressing marriage, and the cat is missing. Her young son Ollie is the only thing that keeps her going because he is her main source of happiness. When new mum Jen moves to town, she and Nic quickly develop a deep friendship that brings a lot of joy and laughter, but threatens to bring up old history and secrets that Nic feels are better left in the past.