Perry (Linus Roache) is an English chemist working for a paint company and is depressed after losing his wife in a freak accident. As he tries to invent the new color Siam Sunset, he wins a prize, takes leave, and travels to Australia. Grace (Danielle Cormack), on the same tour bus, also has a troubled life. Together they hope to color the world with love rather than paint, but will the universe let them ?