About to go travelling with her high-flying friend Kat, Vicky comes up with a plan: if she isn't married at thirty, she'll marry her geeky best mate, Mikey. Having just been dumped on her thirtieth birthday, Vicky, now Vee, tracks down Kat and Mikey. Mikey, now Murphy, is a successful app designer driven by his tragic upbringing. Kat, or Kate, hides a shocking secret, which threatens the happiness of all three.