Bombay Summer explores the fleeting and delicate friendship between three young people in Mumbai, India. The film follows their journey of discovery, love and loss.

The story takes place just before the India-Pakistan partition in one of the oldest mental asylums in undivided India. Situated in Lahore, it was home to Hindu, Muslim and Sikh patients who were left behind by their uncaring families. Friendships were thick between the patients who had nobody but each other for company. Each had a story that made for an interesting tale but none quite like Bishan Singh.

In 1895, Shivkar Bapuji Talpade constructs and flies India's first unmanned plane, despite having the odds stacked against him.

Three separate stories of loss,grief and loneliness interconnected through a fish.It explores the lives and relationships of 5 characters and their suffering!