Im Yoona and Lee Donghae are casted on a special collaboration between 'We Got Married' and 'Hello Baby'. They must live the life of a married couple whilst looking after two young children. Yoona and Donghae had always wanted to be parents, but growing up without a mother, Yoona is worried that she can't fulfil the mother role well enough for the two children. Donghae has a MASSIVE crush on Yoona and is worried that once the show is over she will just walk out of his life. With so many worries troubling this new couple, will the show be a success? Or will it be a terrible failure that will end up hurting both of them?

Read on to find out!