Samar is an action-thriller, which has a lot of twists and turns in the story. Vishal, a trek guide and the son of Forest Ranger, and Sunaina have parted ways. After a few months, he gets a courier from his ex-girlfriend in which she had written an apology letter and asked him to come to Bangkok. The letter brings him a lot of joy and he immediately gears up for his first-ever foreign trip. In the flight, he meets Trisha and they turn good friends. The real story begins when he lands in Thailand, as there is a threat to his life. He has been trapped and he struggles to come out from it with the help of Trisha. Then, we are introduced to ruthless criminals played by JD Chakravarthy and Manoj Bajpai. The first half raises a lot of questions and the second half answers all of them.