Not every single British limited series can hit it out of the park, unfortunately. Following closely on the heels of the superlative and gripping thriller Place of Execution , the ambitious Collision --which launches Sunday evening as part of PBS' Masterpiece Contemporary strand and is currently airing across the week in the UK on ITV1--doesn't reach the dizzying heights or emotional sucker punch of Place of Execution . Written by Anthony Horowitz and Michael A. Walker, the five-part Collision (which will air in two installments in the States) circles the aftermath of a fatal highway road accident, which leaves several parties dead or injured but which manages to derail the lives of everyone even tangentially involved, from the police detective investigating the cause of the crash to a Happy Chef waitress whose workplace was just down the road from the site of the fatal accident. As its narrative unfolds in a series of shifting perspectives, Collision seeks to bring to life