Ben and Katy haven’t had sex since Ben found out about her one-night stand with her childhood sweetheart, Matthew.
Not only that but the arrival of a new-born baby has blown their relationship apart like a hand grenade.
Drastic measures are required, so they swap roles hoping that everyone will be happier…
Only it’s not as easy as they thought. When a desperate Ben starts secretly accepting help to solve his childcare disasters – from Matthew’s wife – it could mean the end of everything. Can their relationship survive the lies and suspicions and will they ever have sex again?