Ree is about two next door families, who are new to each other, going through a series of mysterious events, suspecting each other.

Periyasamy (Mayilsamy), an idler, hopes to enjoy life as a rich man by making his son, Murali (Sharuk) woo Mynaa (Gayathri), who, he thinks, is the daughter of a wealthy jeweller. Little does he realise that Mynaa is actually the daughter of a beggar.