寒冬来临，白雪覆盖大地。小鸟崔弟又冻又饿，体力逐渐不支。馋嘴老猫托马斯发现了崔弟，兴高采烈捉住它，准备打打牙祭。幸亏女主人及时出现，把托马斯臭骂一顿，解救了可怜的崔弟。
崔弟来到温暖的房间里，体力渐渐恢复。然而不死心的托马斯仍时刻觊觎着近在眼前的美味，它想尽一切办法捕捉崔弟。崔弟一方面要得到女主人的帮助，一方面还要对付托马斯一次次的进攻。托马斯最终能否得逞？小鸟崔弟又能否得救呢？
本片荣获1948年奥斯卡最佳动画短片奖。
Tweetie Pie is a 1947 Warner Bros. Merrie Melodies cartoon directed by Friz Freleng.[3] The short was released on May 3, 1947, and stars Tweety with Sylvester, who is called “Thomas” in this cartoon.[4]
Tweetie Pie marks the first pairing of the characters Sylvester and Tweety, and it won the Academy Award for Best Animated Short Film in 1947,[5] breaking Tom and Jerry‘s streak of four consecutive wins in the category and winning Warner Bros. their first Academy Award.