The two people are my daughter and my mother. They are on a stormy, windy beach down by the White Cliffs of the Kent coast. Out of shot is my father who's just been "knocked on his ass" (as our Merkin cousins would say) by a huge and unexpected wave. My mum is trying to grab my daughter to make sure she doesn't get knocked over by the next one, however my daughter's trying to turn round to see where Granddad disappeared to. My mum had found a stick during the walk along the beach, but forgot to drop it when she went to grab Amy, my daughter.
I was standing on a groyne (look it up) watching things unfold. I did eventually join in and helped get Amy and my Dad to safety, but I wasn't going to miss an interesting snap like this unless there was mortal danger invoved.