Wansa is a puppy who gets sold off for a pittance. He manages to escape, and from then on much of his story is taken up with searching for his mother. Along the way, the series focuses on the friendships Wansa forms with those around him. Mixing comedy and drama, the 1973 TV series runs for 26 episodes. Wansa began as a mascot character for Sanwa Bank before being adapted for television, with Osamu Tezuka credited as writer of the original story.