Excellent drama set on one winter weekend in 1970s Connecticut about two families and the various ways they’re connected, through infidelity, lust, and tragedy. Great performances from the cast–Kevin Kline, Joan Allen, Sigourney Weaver, and Jamey Sheridan are the parents, Tobey Maguire, Christina Ricci, Adam Hann-Byrd, and Elijah Wood are the (teenage or older) kids.…