The Walking Dead: Journey

So this story is an AU if MIchonne and Daryl had met before the apoclypse. what if Daryl and Michonne decided to adopt a girl named Rachael who MIchonne met at her firm when doing a case where Rachael's parents were killed and she stayed with Daryl and Michonne. Now in this story Daryl and Rachael are seperated from MIchonne and her two kids, how will they find each other?outofchar