Erin Strecker
July 12, 2012 AT 04:55 PM EDT

In the Sundance hit — and one of EW’s picks for best alternative summer movies — Hello I Must Be Going, Melanie Lynskey plays a 30-something woman who, after her divorce, moves back home and gets involved in an ill-advised relationship with a 19-year-old (played by Christopher Abbott, Charlie on Girls).

Making things more complicated: Their families know each other, and their dads are business associates. Watch the trailer to realize that you don’t know awkward until you’re referred to as a “Mom” by your new guy’s  friends.

Check it out below:

The film hits theaters September 7th.

Read more:

Melanie Lynskey skinny-dips in ‘Hello I Must Be Going’ poster — EXCLUSIVE

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