Sara struggles to congratulate her sister Lucy on her engagement. Fearing she is losing her sister to marriage and her best friend to a baby Sara tries to make a new friend, Luna, who works in a fast food cafe and seems a tad unimpressed.
Sara decides to face up to her sadness about the past and bravely attempts to return her unused but tattered wedding dress to the shop where Craig jilted her 15 years ago.
Sara decides to celebrate being single while surrounded by round pregnant women at Scoopy's baby shower, the surprise party that she has badly planned, doesn't understand and hasn't provided any soft drinks for.
Sara's father, Lewis, is back, forcing her to re-examine all her important male relationships. She tries to dig deeper into why Lewis and her fiancé both left her.