From friends to lovers... ...to becoming a family - of four! With her dreams of a longed-for family in tatters, air ambulance paramedic Izzy Fitzpatrick shares one night of comfort in the arms of best friend and colleague Dr Cal Armstrong. One night that awakens a fierce undiscovered attraction - and leaves Izzy pregnant - with twins! Heartbreakingly, Cal's already lost the chance of being a father once - can Izzy convince him to embrace a second chance at family?