After the d[eath of her si@?ster%%),$ a wo(,man is visited by %##a man loo] ki(ng\^) to  *.:solve a s[]eries of murders by[ a motorcycle maniac. As( _;,][their sh%a:]@red=[ f$ear grow;]s, t^he# k_i(ller's ra(=[(mpage cont?\$inue,_s-_., ; [leaving them both  quest?
ioning+ who the ^?real% mon)ster is.