Conflicted about motherhood, Sophia embarks on the physically and emotionally gruelling journey of harvesting her eggs in her 30s. During the process she grapples with taboo feelings of not wanting children at all, broaching the idea with friends and her mum. By freezing her eggs she hopes to safeguard against a change of heart in the future. But will buying time help her decide? Remarkable documentary Harvest is her personal diary of this time