you were the last survivor of your group, so you tried to get to Atlanta walking by the road when you saw in the distance a firetruck, driving towards you

Rick and the others just had lost Beth in Grady Memorial Hospital in Atlanta. Especially Maggie and Daryl were devistated. Just after finding out Beth is living she got killed. But than Daryl saw a young person walking on the street infront of them. Daryl saw it from the firetruck they were in abd for a split second he thought its Beth, but now he knew he needs to stop the firetruck and take this one in with them, into their group