anne hathaway movie where she tries drugs

A young woman who has been in and out from rehab for the past 10 years returns home for the weekend for her sister's wedding.

Maggie is an alluring free spirit who won't let anyone – or anything – tie her down. But she meets her match in Jamie, whose relentless and nearly infallible charm serves him well with the ladies and the cutthroat world of pharmaceutical sales. Maggie and Jamie's evolving relationship takes them both by surprise, as they find themselves under the influence of the ultimate drug: love.

A charming, terrible older sibling hatches a plan to keep his younger brother on drugs in order to win the heart of a lovely lady dope dealer who owes money to a local gangster.