When a car careens out of control over an embankment, killing a middle-aged man in the driver's seat, Megan learns that all is not well on a pretty suburban cul-de-sac. Looking past the perfect picket fences, she and her team are startled by the lives spinning out of control and the ever-changing suspect roster.这棵树很大，直径差不多有一(yī )米，一(💶)个人都环抱不过来，这一道伤痕，对(duì )于这(zhè )棵树来说，只是小(xiǎo )小的伤痕。