US starts with a creepy prologue set in a Santa Cruz amusement park in 1986 where a little girl wanders off from her parents to go inside a mirrored funhouse called “Find Yourself”. What she sees there haunts this young girl for some time, even to some extent into her adulthood where she’s now an accomplished woman with a jovial husband, typical teenage daughter and young son with a penchant for masks. It’s unclear why the family is vacationing in Santa Cruz, there seems to be reference to the husband having stayed at this house when he was a kid, like the house belongs to his family; but as this…