When Imogen and Anna unexpectedly inherit their grandmother Vivien's ice cream parlour, it turns both their lives upside-down. The Brighton shop is a seafront institution, but while it's big on charm it's critically low on customers. If the sisters don't turn things around quickly, their grandmother's legacy will disappear forever. With summer looming, Imogen and Anna devise a plan to return Vivien's to its former glory. Rather than sell up, they will train up, and make the parlour the newest destination on the South Coast foodie map. While Imogen watches the shop, her sister flies to Italy to attend a gourmet ice cream-making course. But as she works shoulder-to-shoulder with some of the best chefs in the industry, Anna finds that romance can bloom in the most unexpected of places...