Renate Dorrestein has been called the Dutch Iris Murdoch-with an extra leavening of wit. In Without Mercyshe reenters the edgy, chilling, domestic territory that in A Heart of Stone won her an instant American following. Richly layered and compelling, it is a heartbreaking, strangely funny, tense drama of past and present, reality and imagination, love and guilt-all within the nutshell of one country weekend meant to mend a fraying relationship. "Perfect"...