Vasu, a trolley driver, struggles to provide for his poor family. His life takes a turn when he meets with an accident and loses his left hand.

Venalil Oru Mazha is a 1979 Indian Malayalam film, directed by Sreekumaran Thampi and Produced by S Kumar. The film stars Madhu, Jayan, Sukumari, Srividya and Roja Ramani in lead roles. The music of the film was composed by M. S. Viswanathan.