Big-hearted Chicago family man Chet has brought his family to a lakeside resort area, and although his wife and kids aren't quite as excited as he is, Chet has high hopes for the vacation. However, his optimism is sabotaged when his obnoxious brother-in-law Roman drops in unexpectedly, along with his snooty, strange family. Chet and his family try to stay open-minded, but they find it difficult to relax and enjoy themselves because of the constant annoyance of Roman's presence.

Martha has run away from an abusive hippie-like cult where she was living as Marcy May for two years. She turns to her sister and brother-in-law who take her in and want to help her. The problem is Martha is having a hard time separating dreams from reality and when haunting memories of her past keep resurfacing, she may need more help than anyone is able to give her.