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"The train waves at us with its headlights. We move forward with the crowd, like a toddler being pulled along with a wave. The heat of 50 people envelope around me. My palm gets sweaty. I clutch my mum’s hand tighter. The crowd shoves and pushes. My fingers start to slip off and I loose grip of mum’s hand. I start to panic. I look around for her but the crowd pushes me aboard. The doors give a quick warning beep, and slide shut. Either trapping me in or trapping mum out."

When Sam and Gabrielle loose their mum at a crowded train station, they try everything to find her again. But is "everything" enough?