'Saathi Tumi Amar' is the love story of Shikha and Deep who meet on train and fall in love at first sight. But they are unable to express their love. They search each other madly. But, they back off due to family opposition. Deep saves Avinash, Shikha's brother and gets close to their family. He wins over Shikha's heart and also the approval of her family members. But Avinash is against their match. Deep helps Avinash, his family and his fiancée by fighting Sarveshwar who is Avinash's enemy and finally wins over his approval. The lovers are happily united.