Do Patti is a romantic thriller set in the town of Devpur, Uttarakhand and a tale of twin sisters Saumya (Kriti Sanon) and her twin sister Shailee (Kriti Sanon) and her caregiver (Tanvi Azmi). Shailee is away for higher studies and, as a young child, has envied Saumya since she was more sensitive and had health problems. Saumya meets the town's adventure activity operator, Dhruv Sood (Shaheer Sheikh). Saumya falls in love with Dhruv after he helps her overcome her fear of flying while paragliding. At this point Shailee comes back. She has a feeling that Saumya and Dhruv are in love. She so begins flirting with Dhruv in an attempt to exact revenge on her. She attracts Dhruv as well, and they start dating. But Dhruv quickly grows weary. What happens next forms the remaining part of the plot.