They say if you love someone you have to let them go. But what if it's your child? All Sarah McIntyre has ever wanted was a loving happy family. So when her husband JP announces on Christmas Day that he is leaving her and their two children 9 year old Harry and 4 year old Robyn Sarah is left reeling. But things are set to get worse when Robyn is diagnosed with an aggressive brain tumour. Can JP and Sarah unite to fight their biggest battle yet? Or will they be on opposing sides once again? With the couple at loggerheads and with Robyn's condition deteriorating day-by-day precious time is running out and JP is getting desperate…