The movie is narrated in clips of Past and Present. Akshay (Emraan Hashmi) who is an artist and a character designer in present departures on a flight. He is boarding from London. Suddenly he sees Sanjana who is sitting just opposite Akshay, and next to business man number 23 (Simon Burns). They both see each other. Akshay and Sanjana remember a series of flashbacks. Akshay was a struggling artist who was in Cape Town. He sees Sanjana first time at that point. Then while Sanjana tries to take out her car she accidentally bumps Akshay's car and leaves a note on it. Akshay and his friend Vicky go to her house and while coming back they have a lot of fun. The next day Akshay and Sanjana go to a party and kiss. They discover their love. Sanjana breaks up with her fiancé and tells her feelings to Akshay. Akshay and Sanjana settle down. As Akshay is an artist and not employed his business is not improving. He also has an ego fight with a distributor. As Akshay doesn't have any money he gets frustrated and takes it out on Sanjana. Sanjana has been working for quite a while. After some time Akshay gets a job in Sydney. As Sanjana can not leave her job and Akshay is interested in the offer they have a fight and break up. Back in the present when they remember these memories the situation is worst in Mumbai. The heavy rains have flooded the city (Indicating the Maharashtra floods of 2005). Many are trying to survive. While their adventure for survival continues Vicky is electrocuted as he falls in water with a cable carrying an electric current. After spending time together they realise that their break-up 6 years back was just a break for them as their destiny is to be united.

• Emraan Hashmi as Akshay
• Soha Ali Khan as Sanjana
• VJ Mantra as Vicky
• Sachin Khedekar as Sanjana's father
• Rituraj Singh as Mr. Oberoi
• Emilie Bachet as mystery traveller, Karen Jones

Tum Mile opened to mixed to positive reviews, with most major critics agreeing it to be a passable movie. Taran Adarsh of Bollywood Hungama gave it a rating of 3/5 and said, "Tum Mile caters to the youth mainly. At the box-office, the Vishesh Films - Emraan Hashmi combo has cultivated a strong fan-base over the years and coupled with good music, which is also very popular, the film should find itself in the comfortable zone".

• Filmicafe - Review      
• Bollywood Hungama - Review      

According to Box Office India, Tum Mile was a flop, grossing only ? 22.42 crores on a budget of ? 25 crore, just short of its budget.