The Canary Comes Across

At the Lawburn prison, the convicts love the glee club, directed by Ann, the warden's daughter. The warden disbands the club when its best singer, Canary Dillon, escapes. A ranking con puts the out the word to the city's underworld to deliver Canary back to Lawburn. An opera-loving mobster discovers Canary singing in an opera chorus, and he's shortly back behind bars. Trouble is, it's not Dillon but a dead ringer who keeps his identity secret for a while to get to know Ann. There's a national radio competition among prison choruses and the real Dillon, safe outside, is jealous of the attention his twin is getting. What will he do?