R Madhavan and Amit Sadh have worked really hard for their upcoming web-series 'Breathe'. Both the actors have taken a lot of efforts for prepping up for their roles as their characters are very intense in the series. R Madhavan is playing the role of Danny Mascarenhas, a single parent to six-year-old, Josh, who suffers from a life-threatening disease and is in dire need of an organ transplant. His character in 'Breathe' will go to any length to save the life of his son.