Phoebe is facing her worst nightmare: an invitation to her ex-fiance's wedding! About to put on a brave face and pretend her life is just perfect, she's rescued by her best friend's brilliant idea: Phoebe can hire their gorgeous new flatmate, Gib, to pose as her doting new fiance! It sounds like an ideal face-saving plan--until Phoebe and Gib meet. Gib, on a mission to prove he can be 'just good friends' with a woman, finds his willpower tested by Phoebe. And Phoebe is having trouble remembering they're only pretending to be in love! It's all set to be a wedding to remember.