The trailer of Deepu Karunakaran’s thriller Fireman is just out and it showcases several gripping moments from the film. Mammootty plays a fireman named Vijay in the movie and actress Nyla Usha acts as an IPS officer, Sherin Thomas. Unni Mukundan, Salim Kumar, Sidhique, Krishnaprasad and Manu Varma also play pivotal roles in Fireman, which will release in February.