After Tux the cat is born under a house, his wise mother teaches him and his siblings all about life. When his mother feels Tux is old enough to set out on his own, she leads him to a neighbor's house with hope she will take him in and love him just as her own. After a long wait under the neighbor lady's porch, she finally decides to adopt Tux who is bound and determined to prove to his new mother that he is a good kitty. As Tux's curiosity leads him into battle with a Christmas tree, an unexpected meeting with a big teddy bear, and into a dark closet where he becomes trapped, Tux slowly begins to discover what it is like to live with humans. Tux is the charming story of a cat's journey through life as he puts one paw in front of the other and learns all about love, family, and the world around him.