After a series of blundered second chances, Thea Clayhill (Lindsay Lohan) is finally faced with the sack at the hand of her boss. But quick thinking Thea comes up with the ultimate game plan. She tells him she is 4 months pregnant. The only problem is, now she has to play along with it....for the next 5 months! As Thea's 'bulge' grows, so do her lies as she becomes embroiled in a series of hilarious cover ups to friends and work colleagues. Thea finds pregnancy has it's privileges as her popularity soars and romance blossoms. But can Thea hold onto everything she has worked so hard for when the revelation of her deceit finally has to go public!