Last seen in the West End 15 years ago, Miss Saigon has become one of the most successful musicals in history, seen by 40 million people worldwide. From the process of casting 40 actors from 18 different countries, to the reinvention of the staging, including the famous helicopter scene, The Heat is Back On takes us on a journey through rehearsals right up to the star-studded opening night. Featuring interviews with legendary producer Cameron Mackintosh, authors Alain Boublil and Claude-Michel Schönberg and many of the award-winning cast and creative team.

Muhlach plays the role of Umboy, a notary public attorney who earns a living by notarizing important documents and other papers, while Velasquez on the other hand plays the role of Berns, a professional documents fixer. Every time Berns needs the help of a notary public, she goes to Umboy to "legalized" everything. This "legalization" process of documents was somehow Umboy does not agree with Berns. Their different ideology and principles in life have created a cat-and-dog fight situation between the two. But what's supposed to be a misunderstanding between the two of them will likely to create a blossoming relationship. Bound with their principles in life, how do you think the two will end up together — to the dark side where both of them will be living a dishonest life where they fix documents illegally or to the light side where everything else is in correct and honest manner?

The epic love story tells the tragic tale of young Vietnamese bar girl Kim, orphaned by war, who falls in love with American GI Chris — but their lives are torn apart by the fall of Saigon.